Question

Probauity that ball drawn is not black?
12. A bag contains 5 white and 7 red balls. One ball is drawn at random, What is the
probability that ball drawn is white?
13. Tickets numbered from 1 to 20 are mixed up and a ticket is drawn at random. What is the
probability that the ticket drawn has a number which is a multiple of 3 or 77
14. In a lottery there are 10 prizes and 25 hlank What is the abilita​

Answer 1

Answer:

12. 5/12

13. 7/20

14. incomplete question