Question: Compute the mean and standard deviation of the random variable with the given discrete probability distribution. X P(x) -9 0.11 -7 0.24 0 0.26 3

  1. Compute the mean and standard deviation of the random variable with the given discrete probability distribution.

X P(x)

-9 0.11

-7 0.24

0 0.26

3 0.25

5 0.14

Find the mean. Round the answer to three decimal places, if necessary.

The mean is

Find the standard deviation. Round the answer to three decimal places, if necessary.

The standard deviation is

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