Glass used in a one-waymirror should not distort a reflection. The glass should have a flat surfaceand a 1/4" thickness with athick coating of silvering but there are on average 2 flaws per every 10 square meters. What is the probability that a 3 meter by 3 meter sheet of this type of glass will contain exactly 1 flaw? (round to 3 decimal points)

a)0.298

b)0.261

c)0.218

d)0.308

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 7 cars arriving in the parkinglot every 10 minutes. What is the probability if you are sitting outside the Safeway store there next Saturday at 3:00PM that 8 cars enter in the next 10 minutes. (Round your answer to 4 decimals)

a)0.2308

b)0.1396

c)0.1490

d)0.1304