SOLUTION: A couple plans to have three children. What is the probability of getting at least one girl? 7/8 1/8 1/2 3/4

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Question 40944: A couple plans to have three children. What is the probability of getting at least one girl? 7/8 1/8 1/2 3/4
Answer by venugopalramana(3286) About Me  (Show Source):
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A couple plans to have three children. What is the probability of getting at least one girl? 7/8 1/8 1/2 3/4
PGIRL=PBOY=0.5
PROBABILITY OF NO GIRL IN 3 =(1/2)*(1/2)*(1/2)=1/8
HENCE PROBABILITY OF HAVING ATLEAST ONE GIRL =1-1/8=7/8