Question

a box contain 90 disc number from 1 to 90 if one disc is drawn at random from the box find the probability that it was a prime number less than 23

Answer 1

Hey mate!

Prime numbers less than 23 = 2,3,5,7,11,13,17,19
P(drawing a prime number less than 23) = 8/90
=> 4/45.

Hope it helps :)

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