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QUESTION

# One component of your college expenses is your book costs. A sample of students indicates that the average book cost for a semester is $230 and the... One component of your college expenses is your book costs. A sample of students indicates that the average book cost for a semester is$230 and the standard deviation is $60. If nothing is known about the shape of the book cost distribution, what proportion of the students would have book costs that exceeded$350?

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