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20 October, 04:29

Which of the following is the standard deviation of the random variable x, the number that appears on a die, if the probability of any number on a fair, 9-sided die is 1/9?

A. 2.582

B. 2.739

C. 0.11

D. 4.5

+5
Answers (1)
  1. 20 October, 06:10
    0
    I got C as the answer
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