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    Statistics - Probability

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    Please help with the following problems. Provide the solution in an Excel spreadsheet.

    FACTS:

    The amount of time spent by North American adults watching television per day is normally distributed with a mean of 6 hours and a standard deviation of 1.5 hours.

    PROBLEM:

    (a) What is the probability that a randomly selected North American adult watches television for more than 7 hours per day?

    (b) W11at is the probability that the average time watching television by a random sample of five North American adults is more than 7 hours?

    (c) What is the probability that in a random sample of five North American adults, all watch television for more than 7 hours per day?

    [PLEASE SEE THE EXCEL SPREAD SHEET ATTACHED.]

    Thank you.

    © BrainMass Inc. brainmass.com March 4, 2021, 9:02 pm ad1c9bdddf
    https://brainmass.com/statistics/probability/using-excel-functions-to-solve-probability-problems-212721

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    Solution Preview

    The solution file is attached.

    Problem 9.19

    See attached file for diagram

    (a) m = 6, s = 1.5, x = 7
    z = ...

    Solution Summary

    This solution aids with using excel functions to solve probability problems. A Complete, Neat and Step-by-step Solution is provided in the attached Excel file.

    $2.49

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