Question

Cards numbered from 11 to 60 are kept in a box. If a card is drawn at random from the box, find the probability that the number on the drawn card is an odd number.

Answer 1

 

Total possible outcomes = {11, 12, 13, ...60} = 50
Favourable outcome for getting an odd number = {11, 13, 15, ......, 57, 59}
Total number of favourable outcomes (n) can be given by,
P (getting an odd number) `="Favourable outcomes"/"Total outcomes"=25/50=1/2`