Question 6 of 10

Multiple Choice: Please select the best answer and click "submit."

The following table shows the probability distribution for a discrete random variable.

X 12 15 17 20 22 24 25 30
P(X) 0.07 0.21 0.17 0.25 0.05 0.04 0.13 0.08
The mean of the discrete random variable X is 19.59. What is the variance of X? Round your answer to the nearest hundredth.

A. 26.55
B. 31.06
C. 34.71
D. 23.18

Question

Question 6 of 10

Multiple Choice: Please select the best answer and click "submit."

The following table shows the probability distribution for a discrete random variable.

X	12	15	17	20	22	24	25	30
P(X)	0.07	0.21	0.17	0.25	0.05	0.04	0.13	0.08
The mean of the discrete random variable X is 19.59. What is the variance of X? Round your answer to the nearest hundredth.

 		A.	26.55
 		B.	31.06
 		C.	34.71
 		D.	23.18

Mercury · Answer

Asked & answered here: https://questioncove.com/study#/updates/4dd34ede99508b0b371aa5a4