Question

there are 30 cards numbered from 1 to 30 one card is drawn at random find the probability that the number of the selected card is not divisible by 3

Answer 1

20/30
Mark as brainliest

Answer 2

possibilities are,
1,2,4,5,7,8,10,11,13,14,16,17,19,20,22,23,25,26,28,29

hence,
probability that the number of the selected card is not divisible by 3
=Probability of an Event =  Number of Favorable Outcomes / Total Number of Possible Outcomes
=$\frac{20}{30}$
=$\frac{2}{3}$
=0.66