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

X 11 14 16 19 21 23 24 29
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 18.59. What is the variance of X? Round your answer to the nearest hundredth.
A. 28.34
B. 23.18
C. 31.06
D. 35.92

Question

The following table shows the probability distribution for a discrete random variable.

X	11	14	16	19	21	23	24	29
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 18.59. What is the variance of X? Round your answer to the nearest hundredth.
  		A. 	28.34
  		B. 	23.18
  		C. 	31.06
  		D. 	35.92

Mercury · Answer

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