The distribution of sat scores is normal with mean of, Ask an Expert

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The distribution of SAT scores is normal with mean of µ = 500 and standard deviation of σ = 100. If the mean SAT score is evaluated from a sample of n = 100 students from this population.

A. What range of values must contain sample mean 95% of the time?

B. What range of values must contain sample mean 99% of the time?

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Category:- Statistics and Probability
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