5) We consider a random variable Z with a standard normal distribution. Calculate P(Z<-2).

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A: Given Newton bought five books paying $42, $58, $43, $32, $63 for each one.

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Q: 6. A theater has rows of seats that can seat a total of 144 people. The number of rows is 7 less…

A: Solution: Let the number of seats in each row = x so, number of rows = x-7 Total seats = 144