The average length of a certain species of fish is known to be 60.96 cm (σ = 5.31 cm), and their length follows Normal distribution. For each of the following questions, write the probability statement, and show your steps in calculating your answer, for full credit.

a) What percent of the population is larger than 65 cm?
b) 40% of the population is smaller than what length?
c) What percent of the population is between 55 and 65 cm?
d) 75% of the population is between 50cm and how many cm?