SOLUTION: 25 babies are born in a hospital in a week. Find the probability that
a) At least 12 are girls
b) At most 7 are girls
c) Exactly 8 are girls
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-> SOLUTION: 25 babies are born in a hospital in a week. Find the probability that
a) At least 12 are girls
b) At most 7 are girls
c) Exactly 8 are girls
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Question 1015043: 25 babies are born in a hospital in a week. Find the probability that
a) At least 12 are girls
b) At most 7 are girls
c) Exactly 8 are girls Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website! Assuming 0.50 probability
For at least 12, I do 1-cumulative probability of 11=0.655
25C8*(0.50)^25=0.0322 Exactly 8 are girls
For At most 7, I use the binomial table: 0.031
