Question

A BOX CONTAINS 90 DISCS,NUMBERED FROM 1 TO 90.IF ONE DISC IS DRAWN AT RANDOM FROM THE BOX,THE PROBABILITY THAT IT BEARS A PRIME NUMBER LESS THAN 23 IS *
2 points
7/90
10/99
4/45
9/89​

Answer 1

prime numbers less than 23 are 2,3,5,7,11,13,17,19

Step-by-step explanation:

favorable outcomes are 8

total no. of outcomes 90

probability=8/90

=4/45