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Solve the problem. 5) The weights of the fish in a certain lake are normally distributed with a mean of 15 lb and a standard deviation of 9. If 9 fish are randomly selected, what is the probability that the mean weight will be between 12.6 and 18.6 lb? A) 0.0968 B) 0.6731 C) 0.3270 D) 0.4032