SOLUTION: A family has five children. The probability of having a girl is 1/2. What is the probability of having no girls? I have tried plugging this into the probability equations, but n

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Question 539699: A family has five children. The probability of having a girl is 1/2. What is the probability of having no girls?
I have tried plugging this into the probability equations, but nothing has worked so far. I need help badly!

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
The probability of having a girl is 1/2. What is the probability of having no girls?
I have tried plugging this into the probability equations, but nothing has worked so far. I need help badly!
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Binomial Problem with n = 5 and P(no girl) = P(boy) = 1/2
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P(no girls in 5 births) = P(5 boys)
= 5C5*(1/2)^5*(1/2)^0
= (1/2)^5 = 1/32
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Cheers,
Stan H.

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