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OpenStudy (anonymous):
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.
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OpenStudy (zarkon):
just compute \[\sum_{x}[x^2p(x)]-\mu^2\]
OpenStudy (anonymous):
i need the answer im confused
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