The analysis of sales receipts at Jones Department Store shows the dollar value of sales are...

The analysis of sales receipts at Jones Department Store shows the dollar value of sales are normally distributed with a mean of $200 and a standard deviation of $30.

Find the probability that the dollar value of sales will be between $180 and $205.

Find the probability that the dollar value of sales will be less than $170.

Jones Department Store wants to give a discount to shoppers who purchase a large dollar volume. What dollar volume should be established, if Jones only wants to give the discount to the largest 10% of dollar volume?

Expert Solution

orchestra answered 2 years ago

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