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Suppose the weights of Farmer Carl's potatoes are normally distributed with a mean of 8.1 ounces...

Suppose the weights of Farmer Carl's potatoes are normally distributed with a mean of 8.1 ounces and a standard deviation of 1.2 ounces.

(a) If 5 potatoes are randomly selected, find the probability that the mean weight is less than 9.8 ounces. Round your answer to 4 decimal places.


(b) If 8 potatoes are randomly selected, find the probability that the mean weight is more than 9.4 ounces. Round your answer to 4 decimal places.

Math   Statistics-And-Probability   
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