Rework problem 25 from section 4.1 of your text involving a car saleswoman. Assume that showing a car is a Bernoulli trial, and each time she shows a car, there is a probability of 0.05 that the customer will buy the car. The saleswoman has a goal of selling at least one car a week.
How many cars must she show so that the probability of her reaching her goal is at least 0.69?