Question: Suppose the probability is .12 that a randomly chosen penny was minted before 1975. What is the probability that you will find 25 or more

Suppose the probability is .12 that a randomly chosen penny was minted before 1975.
What is the probability that you will find 25 or more such coins in
a. A roll of 100 pennies?
b. Two rolls of 100 pennies each?
c. Three rolls of 100 pennies each?

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