CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

PnC

Assume that e...

Question

Assume that each childborn is equally likely to be a boy or a girl .if a family has three children, then conditional probability that two children are girls given that family has at least one girl child is

A

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B

Required probability $= \frac{3 c_{2}}{2^{3} - 1} = \frac{3}{7}$

Suggest Corrections

thumbs-up

1

Similar questions

Q. Assume that each born child is equally likely to be a boy or a girl. If a family has two children, what is the conditional probability that both are girls? Given that :
(i) the youngest is a girl.
(ii) at least one is a girl.

Q. Assume that each born child is equally likely to be a boy or a girl. If a family has two children, then what is the constitutional probability that both are girls? Given that

(i) the youngest is a girl (b) at least one is a girl. [CBSE 2014]

Q. Consider a family with two children. Assume that each child is as likely to be a boy as it is to be a girl. Find the conditional probability that both children are boys, given that one child is a boy

Q. Mark the correct alternative in the following question:

Assume that in a family, each child is equally likely to be a boy or a girl. A family with three children is chosen at random. The probability that the eldest child is a girl given that the family has at least one girl is

(a) \frac{1}{2} (b) \frac{1}{3} (c) \frac{2}{3} (d) \frac{4}{7}

Q. Probability of birth of a girl or a boy child is equally likely. If a family has two children and it is known that the youngest child is a girl , then the probability that both the child born are girls is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Standard XII Mathematics

Join BYJU'S Learning Program

CrossIcon