Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

4 persons are chosen at random from a group of 3 men, 2 women, 3 children. Find the probability that out of 4 choice, exactly 2 are children.

4 persons are chosen at random from a group of 3 men, 2 women, 3 children. Find the probability that out of 4 choice, exactly 2 are children.

Grade:Upto college level

4 Answers

SHAIK AASIF AHAMED
askIITians Faculty 74 Points
6 years ago
Hello student,
Probability that out of 4 exactly 2 children is = (3c2)(5c2)/8c4
=30/70=3/7
Thanks and Regards
Shaik Aasif
askIITians faculty
Saaraansh Mishra
11 Points
3 years ago
Sir your answer is wrong.It is 10/21.As it was given by a book of fiitjee . So your answer is wrong. Please provide us a valid solution.
Kritika Jain
23 Points
3 years ago
Can anyone please help me with this one?
Answer is 10/21 and the no. Of children in the group are 4 not 3
Ranganatha
19 Points
3 years ago
Selecting 2 children is 4C2=6Selecting 2 Non children (3M+2W)= 5C2=10Total ways of selecting 4 persons=9C4=126Probability is (6×10)/126=60/126=10/21

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free