Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 
Questions  >>  CBSE XII  >>  Math  >>  Probability
Answer
Comment
Share
Q)

The probability that a person is not swimmer is 0.3.The probability that out of 5 persons 4 are swimmers is

$\begin{array}{1 1}(A)\;^5C_4(0.7)^4(0.3) & (B)\;^5C_1(0.7)(0.3)^4\\(C)\;^5C_4(0.7)(0.3) & (D)\;(0.7)^4(0.3)\end{array} $

1 Answer

Home Ask Tuition Questions
Your payment for is successful.
Continue
...