The Campus Bookstore Knows from the Past Several Semesters That

The campus bookstore knows from the past several semesters that a certain elementary statistics book has a demand that is approximated by a normal distribution with a mean of 250 and a standard deviation of 40.They buy these books for $105 each and sell them to unsuspecting undergraduates at $222 each.All demand for this book is realized by the middle of the semester, at which point the bookstore bundles them up and sells them to a vendor in another country for $40 each.What is the probability of sale for the last book that the bookstore should purchase for sale to a student?

A) 0.357
B) 0.412
C) 0.475
D) 0.525

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