The mean incubation time for a type of fertilized egg kept at a certain temperature is 15 days. Suppose that the incubation times are approximately normally distributed with a standard deviation of 2 days. Complete parts (a) through (e) below. (a) Draw a normal model that describes egg incubation times of these fertilized eggs. Choose the correct graph below. Click here to view graph d. O Click here to view graph c. Click here to view graph a. Click here to view graph b. (b) Find and interpret the probability that a randomly selected fertilized egg hatches in less than 13 days The probability that a randomly selected fertilized egg hatches in less than 13 days is (Round to four decimal places as needed.)