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QUESTION
Most female black bears have their first mating between the ages of 3 and 5 years old.
Most female black bears have their first mating between the ages of 3 and 5 years old. From a large sample of female black bears, we construct the following probability mass function for X, the size of a litter.
a) Compute the probability that the size of a litter is at least 3 cubs.
b) We select 25 litters at random. Let Y be the number of litters with at least 3 cubs
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