An experiment consists of recording boy-girl composition of families with 2 children. What is the sample space if we are interested in the number of girls in the family?

Solution

Sample space, if we are interested to know the number of girls in the family:
It is 0, if the outcome is BB in sample space of part (i)
It is 1, if the outcome in BG or GB in sample space of part (i)
It is 2, if the outcome is GG in sample space of part (i)
Hence, the sample space is S = {0, 1, 2}

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Straight Lines

An experiment consists of recording boy-girl composition of families with 2 children. What is the sample space if we are interested in the number of girls in the family?

Some More Questions From Straight Lines Chapter

An experiment consists of recording boy-girl composition of families with 2 children. What is the sample space if we are interested in knowing whether it is a boy or girl in the order of their births?

An experiment consists of recording boy-girl composition of families with 2 children. What is the sample space if we are interested in the number of girls in the family?

An experiment consists of rolling a die and then tossing a coin once if the number on the die is even. If the number on the die is odd, the coin is tossed twice. Write the sample space for this experiment.

A coin is tossed. If it shows a tail, we draw a ball from a box which contains 2 red and 3 black balls. If it shows head, we throw a die. Find the sample space for this experiment.

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