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    Probability of spending time on a home computer

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    Suppose that a population of adults is surveyed to measure the number of hours per week spent on home computers. In the survey, the number of hours is normally distributed with a mean of 7 hours and a standard deviation of 1 hour. Find the probability that a randomly selected adult spends between 6.7 hours and 9.3 hours on a home computer per week.

    p(6.7< hours on home computer < 9.3) = ?

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    Solution Preview

    P[ 6.7 < hours on computer < 9.3 ] =

    Solution Summary

    The solution calculates the probability of hours spent on a home computer based on a normal distribution.