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23 June, 21:08

The mean song length on Jacks 3 minutes and 3 seconds, with a Standard deviation of 24 seconds. Find the probability that the next song to play is no more than 3 minutes and 45 seconds.

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  1. 23 June, 21:19
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    0.9599

    Step-by-step explanation:

    First, convert the times to seconds.

    3 min 3 sec = 183 sec

    3 min 45 sec = 225 sec

    Next, find the z-score.

    z = (x - μ) / σ

    z = (225 - 183) / 24

    z = 1.75

    Next, use a calculator or z score table to find the probability.

    P (Z < 1.75) = 0.9599
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