Question

In: Statistics and Probability

Weekly demand at a grocery store for a brand of breakfast cereal is normally distributed with...

Weekly demand at a grocery store for a brand of breakfast cereal is normally distributed with a mean of 850 boxes and a standard deviation of 80 boxes

b)

What is the probability that weekly demand is: Less than 900 boxes?
More than 1020 boxes?
Less than 660 boxes or greater than 980 boxes?

Solutions

Expert Solution

Refer Z-table to find the probability or use excel formula "=NORM.S.DIST(0.625, TRUE)" to find the probability.

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Refer Z-table to find the probability or use excel formula "=NORM.S.DIST(2.125, TRUE)" to find the probability.

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Refer Z-table to find the probability or use excel formula "=NORM.S.DIST(-2.375, TRUE)" & "=NORM.S.DIST(1.625, TRUE)" to find the probability.


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