60% of all Americans live in cities with population greater than 100,000 people. If 47 Americans are randomly selected, find the probability that  a. Exactly 25 of them live in cities with population greater than 100,000 people.  b. At most 26 of them live in cities with population greater than 100,000 people.  c. At least 30 of them live in cities with population greater than 100,000 people.  d. Between 23 and

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