Question

From the probability distribution given below, find the mean, variance, standard deviation and expected value of...

  1. From the probability distribution given below, find the mean, variance, standard deviation and expected value of the random variable, X. Round your values for variance and standard deviation to two decimal places (if necessary).

X

27

32

54

63

78

P(X)

5/18

1/4

1/12

2/9

1/6
Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Hope this solution will help you to understand. If you are satisfied with the answer then please please give a like to this answer. Thank you.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Find the mean, variance and standard deviation for the probability distribution given below: X -2 3...
Find the mean, variance and standard deviation for the probability distribution given below: X -2 3 12 9 P(X) 0.556 0.109 0.206 0.129 Round to three decimal places. A. Mean = B. Variance = C. Standard Deviation =
Find the mean, variance and standard deviation for the probability distribution given below: X: -5, 2,...
Find the mean, variance and standard deviation for the probability distribution given below: X: -5, 2, 12, 8, P(X): 0.575, 0.142, 0.209, 0.074 A. Mean = B. Variance = C. Standard Deviation =
Find the mean, the variance, and the standard deviation of the given probability distribution. The random...
Find the mean, the variance, and the standard deviation of the given probability distribution. The random variable X is the number of shoes sold by a retail sales associate in a single month at the Shoe Stop Alley.   x P(x) 1 0.12 2 0.27 3 0.38 4 0.14 5 0.09 A. Can you determine based on the table above if it is a probability distribution? B. If it is, find the mean. C. If it is, find the variance. D.If...
Find the mean, variance, and standard deviation of the random variable having the probability distribution given...
Find the mean, variance, and standard deviation of the random variable having the probability distribution given in the following table. (Round your answers to four decimal places.) Random variable, x -7 -6 -5 -4 -3 P(X = x) 0.13 0.16 0.4 0.15 0.16
Find the mean, variance and standard deviation for the probability distribution given below: X 0 5...
Find the mean, variance and standard deviation for the probability distribution given below: X 0 5 8 10 P(X) 0.598 0.136 0.208 0.058 A. Mean = B. Variance = C. Standard Deviation =
For the probability distribution below find the mean, variance, and standard deviation. ? P(?) ?P (?)...
For the probability distribution below find the mean, variance, and standard deviation. ? P(?) ?P (?) ?2P(?) 0 0.15 1 0.20 2 0.35 3 0.22 4 0.08      The probability distribution shows the cups of beer American Adults consume every week. Find the expected value of cups of wine American Adults consume every week. ? P(?) ?P(?) 0 0.4 1 0.1 2 0.3 5 0.12 10 0.05
Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative...
Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative values should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.) x −41 −27 −8 −3 P(X = x) 0.29 0.35 0.21 0.15
Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative...
Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative values should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.) x −41 −27 −8 −3 P(X = x) 0.29 0.35 0.21 0.15
Determine if the distribution represents a probability distribution. Then find Mean, Variance, and Standard Deviation. X...
Determine if the distribution represents a probability distribution. Then find Mean, Variance, and Standard Deviation. X 7 8 9 10 11 P(x) 0.3 0.5 0.1 0.08 0.02
(4 pts) Fill in the contingency table below using the following information: 800 patients are entered...
(4 pts) Fill in the contingency table below using the following information: 800 patients are entered into a trial of a new serum to cure Ebola. The patients are split equally into two groups, one of which is given the serum and one of which is not. Of the group given the serum, eighty percent recover, while only fifty-five percent of those not given the serum recover. Use this information to calculate the numbers to fill in the table. Make...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT