Consider the following survival function for a population of animals: (1, 0 6.9. (a) Calculate 21912 (b) Find the force of mortality 45. (c) What is the curtate expectation of life of a newborn animal eo? (Recall that this is the expected value of Ko). Consider the following survival function for a population of animals: (1, 0 6.9. (a) Calculate 21912 (b) Find the force of mortality 45. (c) What is the curtate expectation of life of a newborn animal eo? (Recall that this is the expected value of Ko)