Question

A box contains 20 cards find the probability that it is divisible by 2 or 3 explanation

Answer 1

sample space={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20}

number divided by 2 or 3 {2,3,4,6,8,9,10,12,14,15,16,18,20}

total number of outcomes =20

favourable out = 13

P(E)=13/20