5 In Greenton, 70\% of the adults own a car. A random sample of 8 adults from Greenton is chosen.
[0pt]
- Find the probability that the number of adults in this sample who own a car is less than 6 . [3]
A random sample of 120 adults from Greenton is now chosen. - Use an approximation to find the probability that more than 75 of them own a car.