Question

A family contains 3 children. What is the probability yo get (1) at least one girl (2) All the girls what is answer
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Answer 1

Answer:the answer to the first question is1/3 and to the second is 1.

Step-by-step explanation: The formula of probability is

P(A)=n(A)/n(S)

Here event A is to get at least one girl.So the n(A) is 1 and as there are three children in the family so n(S) is 3.

In the second one,it is all the three girls so therefore n(B) is 3

And n(S) is also 3.

So it will be 3/3=1