Question
The amount of time spent by North American adults watching television per day is normally distributed with a mean of 6 hours and a standard deviation of 1.5 hours.
What is the probability that in a random sample of five North American adult at least two of them watch television for more than 7 hours per day?
What is the probability that in a random sample of five North American adult at least two of them watch television for more than 7 hours per day?