Question

A purveyor of designer maternity wear sells dresses and pants priced around $ each for an average total sale of $ . The total sale has a normal distribution with a standard deviation of $ . Complete parts a through c below. 300 1,600 350 a. Calculate the probability that a randomly selected customer will have a total sale of more than $1,900. The probability is . (Round to four decimal places as needed.) b. Compute the probability that the total sale will be within ± 2.5 standard deviations of the mean total sales. The probability is . (Round to four decimal places as needed.) c. Determine the median total sale. The median total sale is $ . (Type an integer or a decimal.)

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Answer 1