Question

an urn contains four tickets numbered 1, 2, 3, 4 and another urn contain six tickets numbered 2,4,6,7,8,9. If one of the two urns is chosen at random and a tickets is drawn at random from it, find the probability that the tickets drawn bears the number. 1) 2 or 4. 2) 3. 3) 1 or 9
Answer 1) 5/12
2) 1/8
3) 5/24

Answer 1

Answer:

1/2* 2/4+1/2*2/6

1/4+1/6

10/24

5/12