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31% of a certain breed of rabbits are born with long hair. What is the probability that in a litter of 8 rabbits, exactly 5 will have long




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Probability of a rabbit being born with long hairs = 31% = 0.31
probability of a rabbit being born with short hairs = 1- 0.31 = 0.69

"exactly 5 rabbits out of 8 rabbits have long hair" means 5 rabbits should have long hairs and 3 rabbits should have short hairs.

So the probability that in a litter of 8 rabbits, exactly 5 will have long hairs
1 5 1
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