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The average diameter of sand dollars on a certain island is 4.24 centimeters with a standard deviation of 1.73 centimeters. If 14 sand dollars are

The average diameter of sand dollars on a certain island is 4.24 centimeters with a standard deviation of 1.73 centimeters. If 14 sand dollars are chosen at random for a collection, find the probability that the average diameter of those sand dollars is more than 3.907 centimeters. Assume that the variable is normally distributed. 0.9552

0.4968

0.8598

0.7643

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