80% of all Americans live in cities with population greater than 100,000 people. If 38 Americans are randomly selected, find the probability that a. Exactly 31 of them live in cities with population...

Extracted text: 80% of all Americans live in cities with population greater than 100,000 people. If 38 Americans are randomly selected, find the probability that a. Exactly 31 of them live in cities with population greater than 100,000 people. 0.1600 v b. At most 30 of them live in cities with population greater than 100,000 people. 0.4997 c. At least 31 of them live in cities with population greater than 100,000 people. 0.5003 / d. Between 29 and 33 (including 29 and 33) of them live in cities with population greater than 100,000 реople.