Question

A bag contains 10 white balls , 5 black balls , 3 green balls and 2 red balls .one ball is drawn at random find the probability that the balk drawn is white or black

Answer 1

Answer:

15/20

= 3/4

Step-by-step explanation:

Hope it helps you dear!!!

Answer 2

Answer:

3/4

Step-by-step explanation:

so, THERE ARE TOTAL 20 BALLS

PROBALITIY THAT BALL DRAWN IS WHITE OR BLACK IS

P(E) =  10+5 / 20

        =  15 / 20

        =   3 / 4       OR     0.75

THIS IS YOUR ANSWER..........