1. The lengths of Atlantic croaker fishes are normally distributed , with a mean of 10 inches and a standard deviation of 2 inches . An Atlantic croaker fish is randomly selected.

a. find the probability that the length of the fish is less than 7 inches.

b. Find the probability that the length of the fish is between 7 and 15 inches

a. find the probability that the length of the fish is less than 7 inches.

b. Find the probability that the length of the fish is between 7 and 15 inches