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1. A random sample of 40 college student students shows that the score of a College...

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Statistics

1. A random sample of 40 college student students shows that thescore of a College Statistics is normally distributed with itsmean, 81 and standard deviation, 8.4. Find 99 % confidence intervalestimate for the true mean.

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Solution Given that 81s 84n 40Degrees of freedom df n 1 40 1    See Answer
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