- 13 The Number Of Chocolate Chips In An 18 Ounce Bag Of Chips Ahoy Chocolate Chip Cookies Is Approximately Normally Dis 1 (29.67 KiB) Viewed 22 times
13. The number of chocolate chips in an 18-ounce bag of Chips Ahoy! chocolate chip cookies is approximately normally dis
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13. The number of chocolate chips in an 18-ounce bag of Chips Ahoy! chocolate chip cookies is approximately normally dis
13. The number of chocolate chips in an 18-ounce bag of Chips Ahoy! chocolate chip cookies is approximately normally distributed with a mean of 1262 chips and a standard deviation of 118 chips, according to a study by cadets of the U.S. Air Force Academy. Determine the 30th percentile for the number of chocolate chips in an 18-ounce bag of Chips Ahoy! cookies. (15 points) 14. Assume that the salaries of elementary school teachers in the United States are normally distributed with a mean of $58,900 and a standard deviation of $7200. If 64 teachers are randomly selected, find the probability that their mean salary is greater than $61,000. Round your answer to four decimal positions. (15 points)
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