On Saturdays, Cars Arrive at Sam Schmitt's Scrub and Shine

Multiple Choice

On Saturdays, cars arrive at Sam Schmitt's Scrub and Shine Car Wash at the rate of 6 cars per fifteen-minute interval.The probability that at least 2 minutes will elapse between car arrivals is ___.

A) 0.0000
B) 0.4493
C) 0.1353
D) 1.0000
E) 1.0225