Question 898960: (a) A can hit a target 3 times in 5 shots; B can hit 2 times in 5 shots; C can hit 3 times in 4 shots. They fire a volley. What is the probability that two shots hit
(b) A pen is drawn from a box containing 15 pen Numbered from 1 to 15 and the number n is recorded. If n is even, find the probability p that n exceeds 10
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! (a) A can hit a target 3 times in 5 shots; B can hit 2 times in 5 shots; C can hit 3 times in 4 shots. They fire a volley. What is the probability that two shots hit
Ans: (3/5)(2/5)+(3/5)(3/4) + (2/5)(3/4) = (6/25)+(9/20)+(6/20)
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(b) A pen is drawn from a box containing 15 pen Numbered from 1 to 15 and the number n is recorded. If n is even, find the probability p that n exceeds 10
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Ways to succeed: 12,14
P(condition) = 2/6 = 1/3
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Cheers,
Stan H.
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