Question

18. A couple has two children. it the probability
that both are male if it is known that at most
one female is​

Answer 1

Answer:

i)If it is known that at least one of the children is male.

Then possible outcomes are:

i)Both Males ii)One male and one female.

Then probability that both the childrens are male is;

2

1

ii) If it is known that the elder child is a female.

Then possible outcomes are:

i)Both female ii)One male and one female.

Then probability that both the childrens are female is:

2

1