A set of identical cards numbered from 1 to 10 with no repetition were shuffled well. If a card is drawn at random, find the probability of the number on it being divisible by 4.
The probability of event occurring is equal to the number of
favorable outcomes divided by the total number of possible
outcomes in the sample space, . In this case, event is
drawing a card that is divisible by 4. The cards that are
divisible by 4 are 4 and 8, so these are the favorable outcomes
for event . Find the probability of event as follows:
Thus, the probability of drawing a card that is divisible by 4 is