A.The waiting times between a subway departure schedule and the arrival of a passenger are uniformly distributed between

0 and 5 minutes. Find the probability that a randomly selected passenger has a waiting time lessthan 1.75 minutes ( round to three decimal places.

B. A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between

47.0 and 57.0 minutes. Find the probability that a given class period runs between 50.25 and 51.75 minutes (round to three decimal places).