Question

A box contains first 9 prime numbers. The probability of drawing a number from the box is proportional to the number itself. a) Find the probability of drawing a number strictly greater than 13 . b) Find the probability of drawing a number lying between 7 and 17 both inclusive. c) Find the probability of drawing a number less or equal to 13

Answer 1

The first 9 prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, and 23. The sum of these numbers is 100.

a) P(number > 13) = 59%

b) P(7 ≤ number ≤ 17) = 48%

c) P(number ≤ 13) = 41%