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in a family with 4 children, calculate the following probabilities (assuming the birth of boys and girls is equally probable):a) that all children are maleb) that all children are male, knowing that the first is male

User Gregor Petrin
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1 Answer

18 votes
18 votes

Given:

The family has 4 children.

Required:

We have to find the probabilities of the following:

a) that all children are male,

b) that all children are male, knowing that the first is male.

Step-by-step explanation:

There are the following cases:

4 boys; 3 boys and 1 girl; 2 boys and 2 girls; 1 boy and 3 girls; 4 girls.

So the total number of outcomes is 5.

Now th

User Sbgoran
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