Question

Consider the discrete random variable XX given in the table below. Calculate the mean, variance, and...

Consider the discrete random variable XX given in the table below. Calculate the mean, variance, and standard deviation of XX.

XX 3 7 10 17 18 20
P(XX) 0.11 0.07 0.11 0.1 0.1 0.51



μμ =
σ2σ2 =
σσ =


What is the expected value of XX?

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

Homework Answers

Answer #1

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
Consider the discrete random variable XX given in the table below. Calculate the mean, variance, and...
Consider the discrete random variable XX given in the table below. Calculate the mean, variance, and standard deviation of XX. XX 6 7 8 12 15 P(XX) 0.11 0.13 0.07 0.11 0.58 μμ = σ2σ2 = σσ = What is the expected value of XX?
ASAP Consider the discrete random variable XX given in the table below. Calculate the mean, variance,...
ASAP Consider the discrete random variable XX given in the table below. Calculate the mean, variance, and standard deviation of XX. XX 1 10 12 14 15 17 18 P(XX) 0.12 0.14 0.27 0.13 0.1 0.14 0.1 μμ = Incorrect σ2σ2 = Incorrect σσ = Incorrect What is the expected value of X?
**ASAP** Consider the discrete random variable XX given in the table below. Calculate the mean, variance,...
**ASAP** Consider the discrete random variable XX given in the table below. Calculate the mean, variance, and standard deviation of XX. XX 4 5 8 10 13 14 17 P(XX) 0.12 0.29 0.14 0.12 0.09 0.11 0.13 μ = σ2 = σ =
1. Given a discrete random variable, X , where the discrete probability distribution for X is...
1. Given a discrete random variable, X , where the discrete probability distribution for X is given on right, calculate E(X) X P(X) 0 0.1 1 0.1 2 0.1 3 0.4 4 0.1 5 0.2 2. Given a discrete random variable, X , where the discrete probability distribution for X is given on right, calculate the variance of X X P(X) 0 0.1 1 0.1 2 0.1 3 0.4 4 0.1 5 0.2 3. Given a discrete random variable, X...
Compute the mean and standard deviation of the random variable with the given discrete probability distribution....
Compute the mean and standard deviation of the random variable with the given discrete probability distribution. x Px −3 0.23 −2 0.15 7 0.25 9 0.27 10 0.1
Using the formulas for the mean and standard deviation of a discrete random variable, calculate to...
Using the formulas for the mean and standard deviation of a discrete random variable, calculate to 2 decimal places the mean and standard deviation for the population probability distribution of the table below. x P(x) 69 0.20 79 0.22 81 0.35 98 0.23 μ = σ =
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
x P(X=x) 0 0.44 The incomplete table at right is a discrete random variable x's probability...
x P(X=x) 0 0.44 The incomplete table at right is a discrete random variable x's probability distribution, where x is the number of days in a week people exercise.  Answer the following: 1 0.18 2 0.02 3 (a) Determine the value that is missing in the table. 4 0.03 5 0.13 6 0.07 (b) Explain the meaning of " P(x < 2) " as it applies to the context of this problem. 7 0.04 (c) Determine the value of P(x >...
From the probability distribution given below, find the mean, variance, standard deviation and expected value of...
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
Determine whether or not the table is a valid probability distribution of a discrete random variable....
Determine whether or not the table is a valid probability distribution of a discrete random variable. Explain fully. a. x -2 0 2 4 P(x) 0.3 0.5 0.2 0.1 b. x 0.5 0.25 0.25 P(x) -0.4 0.6 0.8 c. x 1.1 2.5 4.1 4.6 5.3 P(x) 0.16 0.14 0.11 0.27 0.22
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT