Question

Air craft of Jet Airways at Ahmedabad airport arrive according to a Poisson process at a rate of 12 per hour. All aircraft are handled by one air traffic controller. If the controller takes a 2 – minute coffee break, what is the probability that he will miss one or more arriving aircraft?

(a) 0.33

(b) 0.44

(c) 0.55

(d) 0.66

I have been asked this question during an interview.

This question is from Random Process in section EDC Overview of Electronic Devices & Circuits

Answer 1

Right answer is (a) 0.33

The best explanation: P (miss/or more aircraft) = 1 – P(miss 0) = 1 – P(0 arrive).