Question

A bag contains 3 red, 5 black and 7 white balls. A ball is drawn from the
bag at random. The probability that the ball drawn is not black, is
​

Answer 1

Answer:

10/15

Step-by-step explanation:

because there are total 15 balls out of which 5 are black so we substract 15-5/15 so the outcome is 10/15 means 2/3.

Answer 2

Answer:

Favourable Outcomes/Total outcomes

Favourable Outcomes/Total outcomesFavourable Outcomes=3+7+5=15(not black):-15-5=10

Favourable Outcomes/Total outcomesFavourable Outcomes=3+7+5=15(not black):-15-5=10Total outcomes=15

Favourable Outcomes/Total outcomesFavourable Outcomes=3+7+5=15(not black):-15-5=10Total outcomes=15Probability of not black=10/15