Question: Hungry people come to Harry's Hot-Dog Stand, following a Poisson distribution, on average one person every other minute. It takes Harry about 87 seconds to serve one customer (exponential).
a. How long, on average, does it take for a hungry person to get a hot dog (including the time that they wait in line and the time that it takes for the transaction)? (Do not round intermediate calculations. Round your answer to the nearest whole number.) Average time minutes
b. What is the probability that a hungry person will be able to step right up and buy a hot dog without waiting? (Round your answer to 2 decimal places.) Probability
c. What is the average number of hungry people waiting in line at Harry's? (Round your answer to 2 decimal places.) Average number customers