A study of people shopping at the Safeway Supermarket in North Bay revealed that between 2pm and 4pm on Saturdays there is an average of 12 cars arriving in the parkinglot every 15 minutes. What is the probability if you are sitting outside the Safeway store there next Saturday at 3:00PM that only 11 cars enter in the next 15 minutes. (Round your answer to 4 decimals)

a)0.2308

b)0.1396

c)0.1490

d)0.1304

Montreal has a mean of 15 motor vehicle accidents per hour on Mondays through Friday between the hours of 8 AM and 6 PM. Compute the probability of fewer than four accidents in a 20-minute period during this weekday time frame. Round to 4 decimal places.

a)0.3628

b)0.2650

c)0.6472

d)0.0002