Question: Given the mean and standard deviation in Problem 1.Calculate the following cumulative probabilities using the Standard Normal Table. a.(10 points) Up to 45% (45) of

Given the mean and standard deviation in Problem 1.Calculate the following cumulative probabilities using the Standard Normal Table.

a.(10 points) Up to 45% (45) of annual sales

b. Up to 80% (80) of annual sales.

c. Between 50% (50) and 70% (70) of annual sales.

d. What percent of annual sales would you get for a 97.5% (0.9750) probability of earning?

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