Inquiries Arrive at a Record Message Device According to a Poisson

Multiple Choice

Inquiries arrive at a record message device according to a Poisson process of rate 15 inquiries per minute.The probability that it takes more than 12 seconds for the first inquiry to arrive is approximately _________

A) 0.05
B) 0.75
C) 0.25
D) 0.27
E) 0.73