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14. A can hit a target 4 times in 5 shots, B 3 times in 4 shotsThey fire a volley. What is the probability that two shots at least hit.twice in 3 shots. |
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Answer» A's prob of hitting shot = 4/5B's prob of hitting shot = 3/4C's prob of hitting shot= 2/3probability that atleast two shots hit = 4/5 * 3/4 + 3/4*2/3 = 2/3 * 4/5 = 3/5 + 1/2 + 8/15 = 49/15 |
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