Home
Class 11
MATHS
Four persons are selected at random out ...

Four persons are selected at random out of 3 men, 2 women and 4 children. The probability that there are exactly 2 children in the selection is a. 11/21 b. 9/21 c. 10/21 d. none of these

A

`10/21`

B

`8/63`

C

`5/21`

D

`9/21`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

From 4 children, 2 women and 4 men , 4 are selected. Probability that there are exactly 2 children among the selected is

From 4 children, 2 women and 4 men , 4 persons are selected. The probability that there are exactly 2 children among the selected persons, is

A team of 5 persons is to be selected out of 5 men, 3 women and 2 children. The probability that at least two of them are women is (k)/(2) , then k =

A committee of two persons is selected from two men and two women. The probability that the committee will have exactly one woman is.

Four persons are to be chosen at random from a group of 3 men, 2 women and 4 children. Find the probability of selecting: (i)1man  1woman and 2 children (ii)Exactly 2 children             (iii) 2 women

A committee of 3 members is to be selected out of 3 men and 2 women.What is the probability that the committee has at least 1 woman? (1)/(10) (b) (9)/(20) (c) (1)/(20) (d) (9)/(10) (e) None of these