7 Each day Annabel eats rice, potato or pasta. Independently of each other, the probability that she eats rice is 0.75 , the probability that she eats potato is 0.15 and the probability that she eats pasta is 0.1 .
- Find the probability that, in any week of 7 days, Annabel eats pasta on exactly 2 days.
- Find the probability that, in a period of 5 days, Annabel eats rice on 2 days, potato on 1 day and pasta on 2 days.
- Find the probability that Annabel eats potato on more than 44 days in a year of 365 days.