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Math Help - statistics question

  1. #1
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    statistics question

    During the 2009-2010 basketball season, the number of points scored in each game by the Boston Celtics was approximately normally distributed with a mean of 99.2 points and a standard deviation of 10.5 points.

    1)What is the 33rd percentile of points scored by the Celtics?

    2)The mean number of points scored by the Los Angeles Lakers was 101.7. In what proportion of their game did the Celtics score more than the Lakers' mean score?
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  2. #2
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    Re: statistics question

    Quote Originally Posted by jujumaan View Post
    1)What is the 33rd percentile of points scored by the Celtics?
    Find 'a' where \displaystyle P\left(Z> \frac{a-99.2}{10.5} \right)= 0.33



    Quote Originally Posted by jujumaan View Post

    1)What is the 33rd percentile of points scored by the Celtics?

    2)The mean number of points scored by the Los Angeles Lakers was 101.7. In what proportion of their game did the Celtics score more than the Lakers' mean score?

    \displaystyle P\left(Z>\frac{101.7-99.2}{10.5} \right)= \cdots
    Last edited by pickslides; October 2nd 2011 at 01:11 PM. Reason: Bad Latex
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