[SOA 2.8] In a population initially consisting of 75% females and 25% males, you are given: i. For a female, the force of mortality is constant and equals . ii. For a male, the force of mortality is constant and equals 1.5. iii. At the end of 20 years, the population consists of 85% females and 15% males. A 0.89 B 0.92 C 0.94 D 0.96 E 0.99 Calculate the probability that a female survives one year.