Assume that 6% of Canadians are afraid of being alone in a house at night. If a random sample of 20 Canadians is selected, find these probabilities. a) There are exactly 5 people in the sample who are...

 Assume that 6% of Canadians are afraid of being alone in a house at night. If a random sample of 20 Canadians is selected, find these probabilities.

a)  There are exactly 5 people in the sample who are afraid of being alone at night

b) ) There are at least 3 people in the sample who are afraid of being alone at night.