Question

It is known that 5% of the population over the age of 30 in a city is a university graduate. Among the 100 people chosen randomly; a) Possibility to be 5 university graduates b) What is the likelihood of never being a university graduate?

Answer 1

a. 0.05 b. 0.95

Explanation:

The probability of obtaining a graduate over the age of 30 is 5% = 0.05

a. Out of 100 people, the probability of obtaining 5 university graduates is number of graduates required/total number = 5/100 = 0.05

b. The likelihood of not being a graduate is 1 - probability of being a graduate = 1 - 0.05 = 0.95