Probability that average diameter of sand dollars is more

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Reference no: EM13136513

The average diameter of sand dollars on a certain island is 4.50 centimeters with a standard deviation of 1.00 centimeters. If 9 sand dollars are chosen at random for a collection, find the probability that the average diameter of those sand dollars is more than 4.13 centimeters. Assume that the variable is normally distributed.

Reference no: EM13136513

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