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Suppose the Number of Coffee Drinks Ordered by a Student xˉ \bar{x}

Question 17

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Suppose the number of coffee drinks ordered by a student yesterday has the distribution
Suppose the number of coffee drinks ordered by a student yesterday has the distribution Let X<sub>1</sub> and X<sub>2</sub> be independent and each have the same distribution as the population. Find the expected value of \bar{x} . Let X1 and X2 be independent and each have the same distribution as the population.
Find the expected value of xˉ \bar{x} .

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