Math, asked by binekasanasm, 2 days ago

9.A bag has 4 white balls and 6 black balls of equal size.A ball is drawn without looking.what is the probality of (1) getting a black ball (II) getting a white ball. 1 2?

Answers

Answered by bson
0

4 w, 6b

total balls = 10

1) p(one black ball) = 6c1/10c1 = 3/5

p(2 black) = 6c2/10c2 = 6×5/10×9 = 1/3

2)p(one white ball) = 4c1/10c1 = 2/5

p(2 white) = 4c2/10c2 = 4×3/10×9 = 2/15

Answered by 6ektasingla
0

Answer:

Total balls = 10

Probability= Number of favourable outcome/Total

no. of outcomes

P(black ball) =6/10

=3/5

P(white ball)=4/10

=2/5

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