SOLUTION: Mary's cat is having kittens. The probability of a kitten being male is 0.5. 1) if Mary's cat has 4 kittens, what is the probability that at least 3 will be male? 2) what is the ex
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Question 869310: Mary's cat is having kittens. The probability of a kitten being male is 0.5. 1) if Mary's cat has 4 kittens, what is the probability that at least 3 will be male? 2) what is the expected number of males in a liter of 6? Thank you and god bless. Answer by edjones(8007) (Show Source):
You can put this solution on YOUR website! 1) m=.5, f=.5
m^4+4m^3f Expand the binomial (m+f)^4
=.0625+.25
=.3125 the probability that at least 3 will be male.
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2) Three
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Ed