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    nic07 Posts: 0, Reputation: 1
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    #1

    Nov 19, 2006, 03:03 PM
    statistic question
    A hair stylist believes the distribution of her tips has a model that is slightly skewed to the right, with a mean of $10.50 and a standard deviation of $6.25. What is the probability that her 15 clients this weekend will tip an average of at least $13?

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