Question: 6. The probability that a driver must stop at any one traffic light coming to Lincoln University is 0.2. There are 15 sets of traffic

6. The probability that a driver must stop at any one traffic light coming to Lincoln University

is 0.2. There are 15 sets of traffic lights on the journey.

(a) What is the probability that a student must stop at exactly 2 of the 15 sets of traffic

lights?

(b) What is the probability that a student will be stopped at 1 or more of the 15 sets of

traffic lights?

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