SOLUTION: Dorthy's dog had a litter of 6 puppies. What is the probability that the dog had 4 female puppies? ( row 6 of Pascal's Triangle is 1, 6, 15, 20, 15, 6, 1 )
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Question 452247: Dorthy's dog had a litter of 6 puppies. What is the probability that the dog had 4 female puppies? ( row 6 of Pascal's Triangle is 1, 6, 15, 20, 15, 6, 1 )
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
f=probability of female and m=probability of male.
f=.5, m=.5
(f+m)^6
15(f^4m^2) The 3rd term of the expanded binomial and the coefficient is the 3rd term of the 6th row of Pascal's triangle.
=.2344
.
Ed
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