# Determining Expected Value and Standard Deviation

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The following questions involve the random variable x with the probability distribution given below.

x 2 3 5 7 10

P(x) 0.1 0.2 0.4 0.1 0.2

1. Determine the expected value of (x).

2. Determine the standard deviation of (x)

https://brainmass.com/statistics/central-tendency/determining-expected-value-standard-deviation-506335

#### Solution Summary

This solution helps determine expected value and standard deviation.

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