Q1.

Based on a Harris poll, among adults who regret getting tattoo. 20% say that they were too young when they got their tattoo. Assume that five adults who regret getting tattoos are randomly selected, find the probability that none of the selected adults say that they were too young to get tattoos.

Q2.

Based on a Harris poll, among adults who regret getting tattoo. 20% say that they were too young when they got their tattoo. Assume that five adults who regret getting tattoos are randomly selected, find the probability that fewer than three of the selected adults say that they were too young to get tattoos.

Q3.

Based on the American Chemical Society, there is a 0.9 probability that tin the United States, a randomly selected dollar bill is tainted with traces of cocaine. Assume that eight dollar bills are randomly selected find the probability that all of them have traces of cocaine.

Q4.

Based on the American Chemical Society, there is a 0.9 probability that tin the United States, a randomly selected dollar bill is tainted with traces of cocaine. Assume that eight dollar bills are randomly selected find the probability that at least 5 of them have traces of cocaine.

Q5.

When someone buys a ticket for an airline flight, there is a 0.0995 probability that the person will not show up for the flight. The Beechcraft 1900C jet can seat 19 passengers. If an airline books 21 passengers for the flight, what is the probability there will not be enough seats for all the passengers.