Seatbelts. An insurance company claims that 5% of drivers do not fasten their seatbelts while driving a car. It surveys 150 drivers who pass by the main street in front of the company building.

a) Using the 68–95–99.7 Rule, draw and label the distribution of the proportion of these drivers who do not fasten their seatbelts while driving a car.

b) Do you think the appropriate conditions necessary for the analysis are met? Explain.