Question
It is claimed that 70% of the cars on the Valley Highway are going faster than 65 miles per hour. A random sample of 12 cars was observed under normal driving conditions with no police car in sight.
(A) What is the probability that all of them were going faster than 65 miles per hour?
(B) What is the probability that fewer than half of them were going over 65 miles per hour?
(A) What is the probability that all of them were going faster than 65 miles per hour?
(B) What is the probability that fewer than half of them were going over 65 miles per hour?