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anonymous
 one year ago
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
anonymous
 one year ago
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

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