Question shown below

Exercise 4. Modeling. 1. On average, people born in the years 1957 to 1964 held an average of twelve jobs from ages 18 to 521. Estimate the probability that you will hold exactly three jobs in your life. Bound to four decimal points. Hint: Model it as a Poisson variable. 2. On average, people switched jobs every three years. Suppose you have held your current job for two years. What is the probability that you switch jobs in the next three years? Round to four decinial points. Hint: Model it as an exponential variable