Question

a bag contain 5 black, 7 red, and 3 white balls .a ball is drawn at random .find the probabiltiy of not black....


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Answer 1

Answer:

Total number of balls=15

Black=5

Red=7

White=3

Probabiltiy of not black=7+3/15

    =10/15

    =2/3

Step-by-step explanation:

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Answer 2

$\mathcal{\huge{\fbox{\green{AnSwEr:-}}}}$

$\sf \red{probability \: of \: not \: black = \frac{not \: black \: balls}{total \: balls}}$

$\pink{ = \frac{10}{15} = \frac{2}{3}}$