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Probability Assignment | Professional Writing Services

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February 13th, 2020

A population of 1,000 students spends an average of $10.50 a day on dinner. The standard deviation ofthe expenditure is $3. A simple random sample of 64 students is taken.

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a.What are the expected value, standard deviation, and shape of the sampling distribution of thesample mean?

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b.What is the probability that these 64 students will spend a combined total of more than$715.21?

c.What is the probability that these 64 students will spend a combined total between $703.59 and$728.45?

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