Mathematics

15 May, 20:05

Suppose that only 25% of all drivers come to a complete stop at an intersection having flashing red lights in all directions when no other cars are visible. what is the probability that, of 20 randomly chosen drivers coming to an intersection under these conditions, (a) at most 6 will come to a complete stop? (b) exactly 6 will come to a complete stop? (c) at least 6 will come to a complete stop?

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