The probability of a man hitting a target is 3/4. he tries 5 times. the probability that the target will be hit at least 3 times, is
Answers
Answered by
1
918/1024
5c3 * (3/4)^3 *(1/4)^2 + 5c4*(3/4)^4*(1/4)+5c5*(3/4)^5
5c3 * (3/4)^3 *(1/4)^2 + 5c4*(3/4)^4*(1/4)+5c5*(3/4)^5
Similar questions