Due to higher petrol prices, American made few changes. According to the survey, 30% said that they were cutting recreational driving.

However, 27% said that it was consolidating or reducing errands.

If these is true for all drivers, 20 such drivers are randomly sampled and asked what change did they make due to increase in petrol prices?

1. What is the probability that exactly 8 said that it was consolidating or reducing errands?
2. What is the probability that none of them said that it was cutting recreational driving?

Pls share excel based solution