Between 12:00 PM and 1:00 PM, cars arrive at a local bank's drive-thru at the rate of 4 cars per hour (0.07 car per minute). The formula below from probability can be used to determine the probability that a car will arrive withi minutes of 12:00 PM. Use this information to answer the questions given below in parts (a)-(e). F(t)=1-e -0.07t (a) What is the probability that a car will arrive within 20 minutes of 12:00 PM (that is, before 12:20 PM)?