common.or
common.or
A problem is given to three students whose chances of solving it are 1/2, 1/3 and 1/4 respectively. What is the probability that the problem will be solved?
P(A) = ½
P(B) = ⅓
P(C) = ¼
P(Å) = 1-P(A) = ½
P(Ḃ) = 1-P(B) = ⅔
P(ḉ) = 1-P(C) = ¾
P(problem will be solved) = 1- P(Å)P(Ḃ)P(ḉ)
