Calculus and Above

Calculus Questions? Ask a Mathematician for Answers ASAP

Connect one-on-one with {0} who will answer your question

Customer Question

8. Determine whether each of...

8. Determine whether each of the distributions given below represents a probability distribution. Justify your answer.

(A)

x 1 2 3 4

P(x) 1/2 1/12 1/4 1/3

(B)

x 3 6 8

P(x) 0.15 3/4 0.10

(C)

x 20 30 40 50

P(x) 0.3 0.2 -0.1 0.6

(A)

x 1 2 3 4

P(x) 1/2 1/12 1/4 1/3

(B)

x 3 6 8

P(x) 0.15 3/4 0.10

(C)

x 20 30 40 50

P(x) 0.3 0.2 -0.1 0.6

Show More

Show Less

Was this answer helpful?

Describe your issueThe assistant will guide you

Chat 1:1 with a tutorLicensed Experts are available 24/7

100% satisfaction guaranteeGet all the answers you need

Related Calculus and Above Questions

QUESTION 10 Suppose the probability distribution of the

QUESTION 10Suppose the probability distribution of the number of pets owned by UON students, X, is as follows:x 0 1 2 3 ≥ 4 P(X = x) 0.6 0.3 0.07 0.02 0.01What is the probability that a randomly selec… read more

I have a statistic question, based on marginal probability.

I have a statistic question, based on marginal probability.Consider the random variable X and its probabilty density function: xi -4 -2 0 1 3 f(xi) 0.2 0.3 0.1 0.2 0.2 A second random variable is give… read more

A UNSW student is picked at random and tested for COVID-19

A UNSW student is picked at random and tested for COVID-19 using a new experimental testing procedure.Let X be the binary random variable equal to 1 if the student is actually infected with COVID-19 a… read more

Let X have the following probability distribution: k Pr(X =

Let X have the following probability distribution: k Pr(X = k) 0 0.2 1 0.1 2 0.4 3 0.3 Determine the probability distribution of ( x - 1)^2… read more

X -4 7 8 P(X = x) 1/8 1/2 3/8 First, decide whether the

x -4 7 8 P(X = x) 1/8 1/2 3/8 First, decide whether the distribution is a discrete probability distribution, then select the reason for making this decision. Yes or No… read more

The probability distribution for the daily sales at

The probability distribution for the daily sales at Michael's Co. is given below. Daily Sales (In $1,000s)Probability 40 0.1 50 0.4 60 0.3 70 0.2 The probability of having sales of at least $50,000 … read more

An even A will occurr with probability 0.5. An event will

An even A will occurr with probability 0.5. An event B will occurr with probability 0.6. The probability that both A and B will occur is 0.1. The conditional probability of A, given B, isA.0.3 B.0.2 C… read more

A random sample of STAT200 weekly study times in hours is as

A random sample of STAT200 weekly study times in hours is as follows: 4 14 15 17 20 10. Find the standard deviation. (10 pts) 11. Are any of these study times considered unusual in the sense of our te… read more

1. Determine whether each of the distributions given below

1. Determine whether each of the distributions given below represents a probability distribution. Justify your answer. (A) x 1 2 3 4 P(x) 3/10 1/5 1/5 3/10 (B) x 3 6 8 P(x) 0.2 3/5 3/10 (C) x 20 30 40… read more

1. (A) Classify the following as an example of nominal, ordinal,

1. (A) Classify the following as an example of nominal, ordinal, interval, or ratio level of measurement, and state why it represents this level: salaries of the CEOs of seven regional banks (B) Deter… read more

6. Rank the following data in increasing order and find the

6. Rank the following data in increasing order and find the positions and values of both the 39th percentile and 73rd percentile. Please show all of your work. 5 5 0 0 9 6 8 9 2 6 3 8 7. For the table… read more

1. (A) Classify the following as an example of nominal,

1. (A) Classify the following as an example of nominal, ordinal, interval, or ratio level of measurement, and state why it represents this level: customer ratings of 10 area grocery stores (B) Determi… read more

I.a. Suppose we want to determine the (binomial) probability

I. a. Suppose we want to determine the (binomial) probability (p) of getting 0 (zero) heads in 5 flips of a 2-sided coin. Using Table 2 in Appendix B of the text, what values of n, x, and p would we u… read more

1. (TCO 4) How many ways can 15 girls be chosen to form a baseball

1. (TCO 4) How many ways can 15 girls be chosen to form a baseball team of 9 players? (Points : 3) 5005 24 1,816,214,400 135 2. (TCO 4) Which of the following cannot be a probability? (Points : 3) 1 8… read more

1.(TCO 5) We have a binomial experiment with p = 0.4 and n

1.(TCO 5) We have a binomial experiment with p = 0.4 and n = 2. (A) Set up the probability distribution by showing all x values and their associated probabilities. (B) Compute the mean, variance, and … read more

A fish that the RV Langley catches very frequently is hogchoker

A fish that the RV Langley catches very frequently is hogchoker ( Trinectes maculatus ). Hogchokers were caught in 87% of the tows made in the summer of 2009. Based on this, calculate the probability … read more

Determine whether each of the distributions given below represents

Determine whether each of the distributions given below represents a probability distribution. Justify your answer. (A) X 1 2 3 4 P(X) 1/2 1/12 1/4 1/3 (B) X 3 6 8 P(X) 0.15 3.4 .10 (C) X 20 30 40 50 … read more

Yes or no? If X = {1, 2, 3, 4, 5, 6} and P(1) = 0.3, P(2)

Yes or no? If X = {1, 2, 3, 4, 5, 6} and P(1) = 0.3, P(2) = 0.2, P(3) = 0.1, P(4) = 0.1, P(5) = 0.1, and P(6) = 0.3, can distribution of the random variable X be considered a probability distribution?… read more

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.

JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.

Web sites like justanswer.com/legal

...leave nothing to chance.

...leave nothing to chance.

Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.

Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.

I will tell you that...the things you have to go through to be an Expert are quite rigorous.

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

Los Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

Hesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

Kernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

Woodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

Elkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

Dallas, TX

< Previous | Next >

Mr. Gregory White

Master's Degree

114 satisfied customers

M.A., M.S. Education / Educational Administration

SusanAthena

Master's Degree

102 satisfied customers

Tutor for Algebra, Geometry, Statistics. Explaining math in plain English.

Dr Arthur Rubin

Doctoral Degree

97 satisfied customers

Ph.D. in Mathematics, 1978, from the California Institute of Technology, over 20 published papers

JACUSTOMER-yrynbdjl-

Master's Degree

42 satisfied customers

I have a MS in Mathematics and I have taught Mathematics for 10 years at the college level.

Don

Master's Degree

29 satisfied customers

M.S. Astronautical Engineering. Math/Sci/Comp Tutor

Kofi

PhD in Statistics

7,345 satisfied customers

Masters in Mathematics and Statistics

Sandhya_sharma

Master's Degree

5,309 satisfied customers

I hold M.Sc and M.Phil degrees in math and have several years of teaching experience.

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.