According to a recent report, about 45% of 20- and 21-year-olds are enrolled in school. how many enrolled students is it reasonably likely to get in a sample of 40 randomly chosen 20- and 21-year-olds?

What could explain what happened when the time was equal to 120 minutes

If np3 /nc2 = 6, find the value of n

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?