Question

A number between 41 and 50 (including 50) is picked randomly. What is the probability that it is divisible by either 3 or 5?

Answer 1

Here is the sample space {42, 43, 44, 45, 46, 47, 48, 49, 50}
It has 9 elements.
Which elements are divisible by either 3 or 5?

Answer 2

They are
{42,45,48,50}
What is the answer now?

Answer 3

4/9