There are 30 cards of same size in a bag on which no. 1to30 are written , one card is taken out of the bag at random. Find the probability that the no on the selected card is not divisible by 3
Answers
Answered by
2
Step-by-step explanation:
no. not divisible by three :A={1,2,4,5,7,8,10,11,13,14,16,17,19,20,22,23,25,26,28,29.}
it's a event
therefore
p(a)=n(a)/n(s)
=20/30
2/3 is the answer
Similar questions