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Suppose A and B shoot independently unti...

Suppose A and B shoot independently until each hits his target. They have probabilities 3/5 and 5/7 of hitting the targets at each shot. Find the probability than B will require more shots than A.

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Suppose A and B shoot independently until each hits his target. They have probabilities 3/5 and 5/7 of hitting the target at each shot. The probability that B will require more shots than A is

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On average, a sharpshooter hits the target once every 3 shots. What is the probability that he will hit the target in 4 shots?

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