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    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)

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

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    This solution helps determine expected value and standard deviation.

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