According to a recent Census Bureau report, 12.7% of Americans live below the poverty level. Suppose you plan to sample at random 100 Americans and count the number of people who live below the poverty level.
What is the probability that you count exactly 10 in poverty?
What is the probability that you count 10 or less in poverty?
What is the probability that you start taking the random sample and you find the first person in poverty on the 8th person selected?