A) A postal clerk spends an average of 4 minutes with each customer. Using the exponential distribution, determine the probability that the postal clerk spends no more than 5 minutes with a particular customer. (Enter a numeric answer with no words and no percentage sign. Round your answer to two decimal places.)

B) Determine the probability that the postal clerk spends more than 5 minutes with the customer. (Enter a numeric answer with no words and no percentage sign. Round your answer to two decimal places.)

C) Using the exponential distribution, determine the probability that the postal clerk spends no more than 4 minutes with the customer. (Enter a numeric answer with no words and no percentage sign. Round your answer to two decimal places.)

D) Determine the probability that the postal clerk spends more than 4 minutes with the customer. (Enter a numeric answer with no words and no percentage sign. Round your answer to two decimal places.)

E) Determine the probability that the postal clerk spends between 4 and 5 minutes with the customer. (Enter a numeric answer with no words and no percentage sign. Round your answer to two decimal places.)