Question: Consider the discrete random variable XX given in the table below. Calculate the mean, variance, and standard deviation of XX. XX 2 3 5 9

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

XX

 2 3 5 9 10 14 19
P(XX) 0.07 0.11 0.11 0.13 0.42 0.08 0.08

= 22 = = What is the expected value of XX? (All answers should be rounded to one more decimal place than the raw data.) (Round to one decimal place.)

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