Question
Two hunters aim at a target. The probability that the first will hit it is 1/5 while the probability that the second will hit it is 2/7. Find the probability ,
a. Both will hit the target
b. Only the first will hit it
C. One of them will hit it
D. Both of them will miss it
a. Both will hit the target
b. Only the first will hit it
C. One of them will hit it
D. Both of them will miss it
Answers
oobleck
P(hit,hit) = 1/5 * 2/7
P(hit,miss) = 1/5 * 5/7
P(one hits) = 1 - P(both miss)
P(both miss) = 4/5 * 5/7
P(hit,miss) = 1/5 * 5/7
P(one hits) = 1 - P(both miss)
P(both miss) = 4/5 * 5/7