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66% of all Americans are homeowners. If 45 Americans are randomly selected, find the probability that...

66% of all Americans are homeowners. If 45 Americans are randomly selected, find the probability that

a. Exactly 28 of them are homeowners.
b. At most 28 of them are homeowners.
c. At least 31 of them are homeowners.
d. Between 24 and 30 (including 24 and 30) of them are homeowners.

Math   Statistics-And-Probability   
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