Q. 15 The probability that a student is not a swimmer is Then the probability that out of five students, four are swimmers is
In the following, choose the correct answer:
(A)
(B)
(C)
(D) None of these
Let X represent number students out of 5 who are swimmers.
Probability of student who are not swimmers =q
X has a binomial distribution,n=5
Option A is correct.