Hi, need help with this problems. Thank u

AaBbCcDdEe AaBbCCD AaBbCcDdE AaBbCcDdi AaBbCcDdEe AaBbCCD ab x x |ADVAv E Emphasis Heading 1 Normal Strong Subtitle Title Styles Dictate Pane WORKED PROBLEMS - SHOW CALCULATIONS IN ORDER TO GET FULL CREDIT. 1. 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? [8 points] (a) less than age 75? (b) more than 68 years old? (c) between 60 and 64 years old? (d) between 65 and 69 years old? 2. At a computer manufacturing company, the actual size of computer chips is normally distributed with a mean of 10 centimeter and a standard deviation of 2.1 centimeter. A random sample of 24 computer chips is taken. What is the probability that the sample mean will be between 10.95 and 11.05 centimeters? [3 points] as has a nanulation mann of 2 10 E 2 The amount of Focus OX English (United States)