I'm sorry it's a super long question According to the CDC in 2015 20% of high schoolers rode with a driver who had been drinking alcohol. Find the probability that

At least 15 people have ridden with a drink driver

Less than 4 have ridden with a drink driver

No more than 2 have ridden with a drink driver

Exactly 11 have ridden with a drunk driver

At least 1 have ridden with a drunk driver

Between 2 and 4 (exclusive) have ridden with a drunk driver