Oc. 0.0324 Question 5 Not yet answered Points out of 1.00 P Flag question A company that sells annuities must base the annual payout on the probability distribution of the length of life of the participants in the plan. Suppose the probability distribution of the lifetimes of the participants is approximately a normal distribution with a mean of 68 years and a standard deviation of 3.5 years. What proportion of the plan recipients would receive payments beyond age 75? Select one: Oa. 0.0228 Ob. 0.0345 OC. 0.0560 Question 6 Not yet answered Points out of 1.00 P Flag question A company that sells annuities must base the annual payout on the probability distribution of the length of life of the participants in the plan. Suppose the probability distribution of the lifetimes of the participants is approximately a normal distribution with a mean of 68 years and a standard deviation of 3.5 years. Find the age at which payments have ceased for approximately 86% of the plan participants. Select one: Oa. 69.98 Ob. 70.08 A Oc 71.78 Question 7 Not yet answered Points out of 1.00 P Flag question The scores on the final exam for statistics are normally distributed with a mean of 78 and a standard deviation of 10. The highest 55% of the scores will pass the course. What exam score do you need to pass the course? Round your answer to the nearest integer. Select one: Oa. 66 Ob. 71 Oc. 77 Question 8 Not yet answered Points out of 1.00 Flag