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Find the standard deviation of the number of children

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Question: Kids again. Find the standard deviation of the number of children the couple in Exercise may have.

Exercise: Kids. A couple plans to have children until they get a girl, but they agree that they will not have more than three children even if all are boys. (Assume boys and girls are equally likely.)

a) Create a probability model for the number of children they'll have.

b) Find the expected number of children.

c) Find the expected number of boys they'll have.

Reference no: EM131742565

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