Assume the average time between students walking up to the i

Assume the average time between students walking up to the instructor\'s desk during an exam to ask a question is 8 minutes and follows the exponential probability distribution.

a) The probability that the next student will ask a question within the next 2 minutes is

(Round to four decimal places as needed.)

b) The probability that the next student will ask a question within the next 4 minutes is

(Round to four decimal places as needed.)

c) The probability that the next student will ask a question between 3 and 5 minutes is

(Round to four decimal places as needed.)

d) The probability that the next student will ask a question in more than 17 minutes is

(Round to four decimal places as needed.)

Solution