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Suppose the Number of Evenings That a Student Studied Last xˉ \bar{x}

Question 6

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Suppose the number of evenings that a student studied last weekend has distribution
Suppose the number of evenings that a student studied last weekend has distribution A) The expected value of \bar{x} . B) If the sample size is increased to 48, give the standard deviation of \bar{x} . Round your answer to three decimal places.
A) The expected value of xˉ \bar{x} .
B) If the sample size is increased to 48, give the standard deviation of xˉ \bar{x} . Round your answer to three decimal places.

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