Good evening class,

Assume that you live somewhere that on average rains 30% of the days in spring. Rain on each day is independent of rain on the other days.

a. What is the probability that it rains all seven days in a week?

b. What is the probability that it will rain more than 4 days in a week?

c. What is the probability that it will rain less than 3 days in a week?

Allie