Question

A bag contains 12 red 10 blue 21 green and 7 white ball what is the problem of taking out a blue ball

Answer 1

there are 10 blue balls

total balls= 12+10+21+7 = 50

probability = 10c1/50c1 = 10/50 =1/5

Answer 2

Answer:

1/5

$probability \: = \frac{number \: of \:possible \: outcomes}{total \: number \: of \: outcomes}$

probability ( blue ball ) = 10 / 50

= 1 /5

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