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Use the normal distribution of fish lengths for which the mean is 11 inches and the...

Use the normal distribution of fish lengths for which the mean is 11 inches and the standard deviation is 2inches. Assume the variable x is normally distributed.

A-What percent of the fish are longer than 14 inches?

B -If 500 fish are randomly selected, about how many would you expect to be shorter than 9 inches?

math   Statistics-And-Probability   
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