Can Probability Be Negative

Which of the following is a property of a probability distribution? a The sum of the probabilities of a random variable must be equal to zero b. The sum of the probabilities of a random variable can be equal to a negative number c. The sum of the probabilities of a random variable must be equal to 1 d. The sum of the probabilities of a random variable can be greater than 1

Daftar Isi

1. Which of the following is a property of a probability distribution? a The sum of the probabilities of a random variable must be equal to zero b. The sum of the probabilities of a random variable can be equal to a negative number c. The sum of the probabilities of a random variable must be equal to 1 d. The sum of the probabilities of a random variable can be greater than 1

Answer:

i mean C ang alam ko lang ehh

2. The range of probability isSelect one:a.from zero to 1b.can be any number (positive or negative)c.from zero to any positive numberd.negative 1 to positiv

Answer:

A. probabilities range from 0 to 1

3. Which of the following statement is true about Probability? A. It must have a value between -1 and 1 B. It is the collection of multiple experments C. Results can be in the form of decimal or negative D. The probability of an event will not be less than 0

Answer:

D po

Ang sagot Jan Sana makatulong

Answer:

letter C po

step by step explanations

Sana po maka tulong

4. 12. Any hazard involving a machine or process A. Ergonomic B. Physical C. Mechanical D. Chemical 13, Can be considered a hazard if by virtue of its intrinsic properties can cause harm or danger to humans, property, or the environment. A. Ergonomic B. Biological C. Mechanical D. Chemical 14. Is one originating from an organism that is foreign to the organism being affected. A. Ergonomic B. Biological C. Mechanical D. Chemical 15. It is the probability that exposure to a hazard will lead to a negative consequence A. Hazard B. Risk C. Exposure D. Chemical

Answer:

12.B

13.C

14.A

15.D

Sana makaturong

5. match each item a. dilution effect b. selection effect c. insurance effectd. complementarity effecte negative effect 1.Many species can serve as buffers against changes in an ecosystem.2.Available resources in the environment are used by most native species. 3.An adaptive species can compensate for less adaptive species in an ecosystem. 4.A disease-causing organism has a reduced likelihood of infecting the species in a highly diverse ecosystem. __5.There is a high probability that a native species will be highly competitive with an invasive species in an ecosystem

Answer:

1,e

2,b

3,d

4,a

5,c

Explanation:

Sana makatolong

6. . Which of the following usesthe formula of () = ∑ ∙ () ? A. Probability Distribution B. Variance of Discrete Probability Distribution C. Standard Deviation of Discrete Probability Distribution D. Mean or Expected Value of Discrete Probability Distribution 2. Among the notations below, which is equivalent to ()? A. 2B. C.D. () 3. Which of the following statements best describe the expected value of a discrete random variable? A. It is the simple average of all possible outcomes. B. It is the geometric average of all possible outcomes. C. It is the weighted average over all possible outcomes. D. It is the complex average of all possible outcomes in the distribution. 4. To which of the following concepts refer this statement “the sum of the product of each value of a discrete random variable and its corresponding probability”? A. Probability Distribution B. Variance of Discrete Probability Distribution C. Standard Deviation of Discrete Probability Distribution D. Mean or Expected Value of Discrete Probability Distribution5. Which of the following is NOT included in the process of calculating the mean of the discrete random variable X? A. Identify the correct probabilities for each x value. B. Multiply each x value by its probability. C. Get the summation of the product. D. Get the square root of the product. 7. Which of the following is TRUE about the value of the mean of a discrete random variable? A. Mean Value is always equal to 1 B. Mean Value cannot be negative. C. Men value is equal to the expected value D. Mean, Variance, and Standard Deviation are equal. 8. To determine the expected value of the discrete random variable which processes should be done? A. Get the squared sum of the difference of each value of a discrete random variable its probability.B. Get the summation of the difference of each value of a discrete random variable and its probability. C. Get the summation of the product of each value of a discrete random variable and its probability.D. Get the square root of the summation of the product each value of a discrete random variable and its probability. 9. What can we generate if we take the squares of standard deviation? A. Expected Value B. Mean Value C. Probability value D. Variance 10. In tossing a coin, what are the possible values of the random variable X? A. 0 B. 0,1 C. 1, 2 D. 0, 1, 2 11. If the variance of a probability distribution is 2.6 grams, what is the standard deviation? A. 1.61 B. 1.16 C. 1.06 D. 1.01 12. What formula is appropriate to use in calculating the expected value? A. () = ∑ ∙ () B. () = ∑ − () C. () = ∑ ∙ ()2D. () = ∑ /()

Answer:

2.A

3.C

4.B

5.D

7.D

8.C

9.A

10.D

11.D

12.A

7. I. TRUE OR FALSE. Write "T" if the statement is correct and "F" if it is wrong. Write your answer beforethe number.1. In a random experiment, the outcome is always certain.2. An outcome is the result of single trial a probability experiment.3. Two events are mutually exclusive if they have common elements.4. The probability of an event is a non-negative value.5. The probability of event that is certain to occur is 0.6. Standard deviation is the square root of variance.7. Probability as a general concept can be defined as the chance of an event occurring.

Answer:

1.F 2.F 3.T 4.T 5.F 6.T 7.T

8. ASSIMILATION DIRECTION: Analyze the reactions below. Tell if it is POSITIVE or NEGATIVE reactions. (Pag aralan ang mga reaksyon sa ibaba. Sabihin kung ito ay POSITIVE O NEGATIVE na reaksyon). 1. Certainly, it can lessen the spread of virus. 2. Exactly, we should ensure the safety of everyone. 3. No, there is no need to use face shield outdoors. 4. Probably, vaccines can't help the spread of omicron variant. 5. Yes, everyone has an obligation to stop the spread of the virus.

Answer:

1.positive

2.possitive

3.negative

4.possitive

5.possitive

Explanation:

just coment if I'm wrong

be a good work

9. 1. Which statement is incorrect about Quantum Mechanical Model of theAlom?A. An atom has a nucleus at the enter in which the electron movesB. An atom is like a solar system, where the negatively charge electronssurround the nucleus at the specific path or orbitsC. This model shows that there is only a probability that the electronscan be found in a certain volume of space around the nudeusD. Atomic model that gives information about the energy of the electron2. An atom is like a solar system, where the negatively charge electronssurround the nucleus at their specific path or orbisA Atomic OrbitalC. Schrodinger EquationB. Electron ConfigurationsD. Uncertainty Principle

Answer:

1.c2.a

Explanation:

thanks me later:)

10. 3. Which of the following is the way to recognize how the electrons aredistributed in the different orbitals around the nucleus of an atom?A Atomic OrbitalC. Schrodinger EquationB. Electron ConfigurationD. Uncertainty Principle4. Which of the following describes the Uncertainty Principle?A. It is a cloud of negative charge.B. It describes the region of space around the nucleus.C. The exact location of electron is hard to locate.D. It is only a probability that the electron can be found at a certain volume inspace around the nucleus of the atom.

3. Which of the following is the way to recognize how the electrons are distributed in the different orbitals around the nucleus of an atom?

Answer:

B. Electron Configuration

4. Which of the following describes the Uncertainty Principle?

Answer:

D. It is only a probability that the electron can be found at a certain volume in space around the nucleus of the atom

- Hope it helps. :)

11. 1. Which of the following is not a characteristic of a hazardous waste?a. can easily catch firec. poisonous to human and animalsb. can easily exploded. can be used as an organic fertilizer2. Which of the following is an example of organic waste?a. vegetable peelsc. chicken manureb fruit peelingsd. plastic bottles3. Which of the following is an example of natural disaster?a. hurricanec. sand stormb. deforestationd. earthquake4 What type of disaster is the COVID-19?a. natural disasterb. complex emergenciesc. environmental emergenciesd. pandemic emergencies5. It is defined as the probability that exposure to a hazard will lead to a negativeconsequencesa. Riskb. HazardC. disasterd. waste management

Answer:

1)d

2)a

3)b

4)d

5)a

Explanation:

Pa brainliest po lovelots

12. Determine whether the statement is true or false write your answer on the space provided before each item.1. The event will surely happen if we compute the probability.2.It's possible results of the probability experiment is an of outcome.3. The set of all possible outcomes is the sample space of the experiment.4. The sample space of rolling a die is s = {head-tail}.5. A single event can also be considered as compound event.6. Two events are mutually exclusive if both events occur at the same time.7. When the first event affects the second event are they independent.8. Dependent events are events that does not affect each other.9. When the common difference of an arithmetic sequence is increasing,it tends to be negative.10. The sum of the terms of an arithmetic sequence forms an arithmetic series.Plss help me guyss..

Answer:

1.true

2.true

3.false

4.true

5.false

6.false

7.true

8.false

9.true

10.true

Step-by-step explanation:

hope it helps

Answer:

A. CERTAINLY

B. ABLY

B. PROBABLY CREATE

C. DECIDEDLY

B. WE CAN POSSIBLY SELL BAKED PRODUCTS ONLINE WHILE WE ARE ON COMMUNITY QUARANTINE.

C. DECIDEDLY

A. ABLY

D. CERTAINLY

C. PROBABLY

A. I AM PROBABLY GOING TO THE COMPUTER SHOP LATER.

Explanation:

❤️

14. PLS ME ANSWER. THANK YOU! which of the following statements is true about probability mass function? a. it can take on negative values b. it can have a finite number of values only c. it can take on non-negative values only d. it can take on values from the set of real numbers which of the following values violates the non-negativity property of probability mass functions? a. -1/2 b. 1/2 c. 0 d. 1 a blue die and a purple die are tossed simultaneously. suppose X is the absolute difference of the numbers shown in the two dice. what is the value of P(X>4)? a. 1/36 b. 1/12 c. 1/18 d. 1/6 a fair coin is tossed three times. suppose Y is the number of tails minus the number of heads in the tosses. what is the value of P(Y\geq2)? a. o b. 1/4 c. 1/8 d. 1/2

Answer:

hindi ako sigurado

15. Which of the following statements about a discrete random variable and its probability distribution are true? * 1 point Values of the random variable can never be negative. The values of P(X) increase to a maximum point and then decrease. Values of P(X) must be greater than or equal to zero. Some negative values of P(X) are allowed as long as ∑P(X) = 1.

Answer:

C. Values of P(X) must be greater than or equal to zero.

16. 1. describes the atom like a solar system, where electrons are moving in a specific orbit.2. The model of Bohr was later replaced by a model that showed that electrons are not limited to fixed orbits around the .3. A mathematical equation explained that a region in space around the nucleus is where electron can be found is called an . 4. formulated a mathematical equation that describe the behavior of the electron5. The describes the probable location of electrons in atoms.6. is imagined to be a cloud of negative charged, in a way that they are distributed or arranged in in principal energy level or main energy level. PAKI SAGUTAN PO ITO GUYS

Answer:

quantum

atom orbital

force

electromagnetism

nuclear force

rain

Explanation:

sana tama po yan!

17. 1. In rolling a die, what is the total number of possible outcomes?a. 2b.4c. 6d.82. Which of the following is NOT a property of a random variable?a. The sum of the probabilities of a random variable is equal to 1b. A random variable cannot be negativeC. A random variable represents numerical outcomes for different situations or eventsd. A random variable can be discrete or continuous3. What is the probability of getting a red card from a deck of card?a.1/2b.4/52c.16/52d.13/52

Answer:

1.C

2.C

3.D

Share ko lang sagot ko

18. 1. Read and analyze the statements below. Encircle the letter of the correct answer. Write the letter of the correct answer before the number. 1. Which of the following is not a true statement? a. Random variables can only have one value. b. The sum of all the probabilities in a probability distribution is always equal to one. c. The value of random variable could be zero. d. The probability of the value of a random variable could be zero. 2. Which of the following is a discrete random variable? a. the average amount of electricity consumed in a quarantine area b. the number of COVID-19 patients in a hospital c. the amount of paint used in repainting a building d. the average weight of female athletes 3. Maria is a grade 11 student and decided to conduct a survey of families with two children in their children as a requirement to one of their subjects. She is interested in counting the number of boys (out of 2 children) in each family. Is this a random variable, and if it is, what are all its possible values? a. Yes, it is a random variable, and its values can be 1 and 2. b. Yes, it is a random variable, and its values are 0, 1, or 2. c. Yes, it is a random variable, and its values can be 2 or 4. d. No, it is not a random variable, since it is not random. 4. Which of the following is NOT a property of a random variable? a. The sum of the probabilities of a random variable is equal to 1. b. A random variable cannot be negative. C. A random variable represents numerical outcomes for different situations or events. d. A random variable can be discrete or continuous.

Answer:

high school and cap po may be a little late but I changed my mind about it and I changed my mind about it

19. b. 4C. 62. Which of the following is NOT a property of a random variable?d. 8a. The sum of the probabilities of a random variable is equal to 1b. A random variable cannot be negativec. A random variable represents numerical outcomes for different situations or eventsd. A random variable can be discrete or continuous3. What is the probability of getting a red card from a deck of card?1a.b.b.d.252416C.1352

Step-by-step explanation:

Hindi naiitindinhan yung tanong

Answer:

1.d

2.d

3.c

Step-by-step explanation:

I hope this is help you..

20. In a given experiment the sum of all probabilities is Select one a. All positive numbers b. can be any number (positive or negative) c Zero d. One

Answer:

it's D.one

In an experiment ,the sum of probabilities for all possible outcomes is equal to one. This means, for example, that if an experiment can have three possible outcomes (A, B, and C), then P(A) + P(B) + P(C) = 1.

Step-by-step explanation:

#KeepLearning

21. DIRECTION: Choose the letter of the correct answer. Write the letter of your choice in a separatesheet of paper1. Which of the following describes the probability of each specific value in a random variable?A Mass PointsC. Probability DistributionB. Possible ValuesD. Variance2. Which of the following refers to the list of discrete random variables along with theircorresponding probabilities?A. Discrete Probability DistributionC. Mass PointsB. Possible ValuesD. Variance3. What do you call the probability distribution of a discrete random variable?A. Probability Mass FunctionC. Standard DeviationB. VarianceD. Mass Points4. What do these statements mean?The Support Sof a random variable is the set of values that the random variable can take. Itcontains infinite number of possible values. "This means that the elements of Scan be put intocorrespondence with the set of natural numbers.A. many-to-manyC. one-to-manyB. many-to-oneD. one-to-one5. According to the first property, for every element x in the Support S, all the probabilities must beA. negativeC. both positive and negativeB. positiveD. zero6. According to the second property, the sum of all the probabilities for all possible x values in theSupport S must be equal toA-1C. 1B.OD. 27. What do you call the values of the discrete random variable X where f (x)> 0?A. Probability Mass FunctionC. Standard DeviationB. VarianceD. Mass Points

Answer:

1. D2. A3. A4. D5. B6. C7. CCORRECT IF I WRONG

22. Identify the source of bias used by the author in the following statements. Choose your answer from the box below. Write the corresponding letter on the blank space provided.A. Loaded wordsB. Stereotypes C. Vague language or generilizationD. One - sided arguments E. Opinions1. Can be based on feelings,emotions,or prejudices, which aren't objective.2. If the author isn't using specific language, this could be an indicator of bias.3. if the author labels an entire group, the writing is probably biased.4. words that are charged with emotion (whether positive or negative) can reveal an author's opinion about his/her topic.__5. if the author only presents one side of an argument, his/her writing is probably biased

Answer: 1. E 2. D 3. B 4. A 5. C

Explanation:

Sa na makatulong :)

23. 1. describes the atom like a solar system, where electrons are moving in a specific orbit. 2. The model of Bohr was later replaced by a model that showed that electrons are not limited to fixed orbits around the . 3. A mathematical equation explained that a region in space around the nucleus is where electron can be found is called an . 4. formulated a mathematical equation that describe the behavior of the electron5. The describes the probable location of electrons in atoms. 6. is imagined to be a cloud of negative charged, in a way that they are distributed or arranged in in principal energy level or main energy level.

Answer:

1.Bohr model

2.nucleus

3.orbital

4.Schrödinger

5.electron density distribution

6.electron cloud

not sure

24. A TRUE or FALSE Write TRUE if the statement is correct and FALSE if otherwise. 6. Words that are charged with emotion (whether positive or negative) can reveal an author's opinion about his/her topic 5. If the author presents two sides of the argument, his / h * e * r writing is probably biased. 2. Bias is an objective way of thinking that tells one side of the story and leads to inaccurate information and false impression 4. If the author isn't using specific language, this could be an indicator of bias 1. Bias is defined as a strong leaning in either a positive or negative direction. 3. In writing biases, the writer is trying to deceive the reader.

Answer:

True

False

True

False

True

Explanation:

Correct me if I'm wrong

25. 1. _ auxiliary verbs that provide specific meaning to the main verb of the sentence. They can also be defined as a verb that is combined with another verb to indicate mood or tense. They express ideas such as capacity, possibility, obligation, permission, prohibition, probability, request and desire.a. Verbs b. Modals c. Coralsd. Actions2. The negative form is formed simply by adding the word “____”after the verb.a. Now b. Not c. Does d. Knot 3. Modals used to ask permission.a. will, shall b. must, have toc. may, can, could d. mustn't, can't 4. Modals used to express a promise or intention.a. will, shall b. must, have toc. may, can, could d. mustn't, can't 5. Modals used to express necessity or compulsion.a. will, shall b. must, have toc. may, can, could d. mustn't, can't

Answer:

1. E

2. G

3. E

4. A

5. D

Explanation:

nsa answr ky

Answer:

1.e

2.g

3.e

4.a

5.d

Explanation:

ans key

26. Which statement is incorrect about Quantum Mechanical Model of the Atom? A. An atom has a nucleus at the center in which the electron moves. B. An atom is like a solar system, where the negatively charge electrons surround the nucleus at their specific path or orbits. C. This model shows that there is only a probability that the electrons can be found in a certain volume of space around the nucleus. D. Atomic model that gives information about the energy of the electron

Answer:

C. This model shows that there is only a probability that the electrons can be found in a certain volume of space around the nucleus.

Explanation:

The quantum mechanical model describes an orbital as a three-dimensional space around the nucleus within an atom, where the probability of finding an electron is the highest.

xx illu

27. 1. The negatively charged subatomic particle of an atom. 2. When electrons get excited and jumps from one level electron is said to be in its 3. A region in an atom where you can find the electrons. to another, the 4. When an electron jumps from one energy level to another, energy is given off on the form of _____.5. It shows how the electrons are distributed in each energy level. 6. He proposed the probability that electrons will be found in certain locations around the nucleus of an atom. 7. The electrons at the outermost energy level. 8. It is composed of the symbol of the element and dots which represent the number of valence electrons of an atom that can easily be determined through the family/group number in the Periodic Table of elements. 9. A bond which involves complete transfer of electrons between metals and non-metals.(nonsense answer report agad)

Answer:

1. H

2. L

3. O

4. S

5. I

6. P

7. D

9. K

Explanation:

paki Tama nlang po Kung mali

28. In a given experiment, the sum of all probabilities isSelect one:a.Zerob.All positive numbersc.Oned.can be any number (positive or negative)

Answer:

Step-by-step explanation:

29. 3. Which of the following describes the Uncertainty Principle?A. It is a cloud of negative charge.brano travo tuodeB. It describes the region of space around the nucleus.C. The exact location of electron is hard to locate.D. It is only a probability that the electron can be found at a certain volume in space around the nucleus of theatom.

Answer:

The answer is letter

D. It is only a probability that the electron can be found at a certain volume in space around the nucleus of the atom.

I HOPE IT CAN HELP (◠‿◕)

#Carry on learning

30. true or false1. The electron configuration of an atom is 1822322p. The number of electrons in the atom is eight,2. Atomic orbital refers to the volume or space around the nucleus where the electron is most likely to be found.3. Electrons can be located using electron configuration. The distribution of electrons starts from the lowest energylevel based on the Hund's Rule.4. When metallic elements become ions they become negatively charged.5. lonic bonds form only between atoms of nonmetals.6. Covalent bonds for when ions share electrons.7. In Lewis structures, the dots represent the valence electrons.8. Heisenberg's Uncertainty Principle helps us describe the probable location of an electron. It suggests thatelectrons' location cannot exactly be pointed out, however, the probability of finding it in orbitals is possible.9. The horizontal row of elements in the periodic table are called periods.10. Magnetic Quantum Number gives the energy level an electron belongs to

Answer:

true

false

true

2. The range of probability isSelect one:a.from zero to 1b.can be any number (positive or negative)c.from zero to any positive numberd.negative 1 to positiv​

3. Which of the following statement is true about Probability? A. It must have a value between -1 and 1 B. It is the collection of multiple experments C. Results can be in the form of decimal or negative D. The probability of an event will not be less than 0

20. In a given experiment the sum of all probabilities is Select one a. All positive numbers b. can be any number (positive or negative) c Zero d. One​

28. In a given experiment, the sum of all probabilities isSelect one:a.Zerob.All positive numbersc.Oned.can be any number (positive or negative)​

Video Terkait

2. The range of probability isSelect one:a.from zero to 1b.can be any number (positive or negative)c.from zero to any positive numberd.negative 1 to positiv

20. In a given experiment the sum of all probabilities is Select one a. All positive numbers b. can be any number (positive or negative) c Zero d. One

28. In a given experiment, the sum of all probabilities isSelect one:a.Zerob.All positive numbersc.Oned.can be any number (positive or negative)