# A bag contains 10 marbles of blue color,12 marbles of green color, 17 marbles of black color. if one marble is drawn at random then find the probability that it is?

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by mah78

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by mah78

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blue colour = 10

green colour = 12

black colour = 17

add all the above for getting total no. of marbles

10+12+17 =39

so total number of marbles is 39

P(E) = possible outcome / total outcome

so according to this

1) blue marbles, 10/39

2)green marble,12/39

3)black marble,17/39

blue colour = 10

green colour = 12

black colour = 17

add all the above for getting total no. of marbles

10+12+17 =39

so total number of marbles is 39

P(E) = possible outcome / total outcome

so according to this

1) blue marbles, 10/39

2)green marble,12/39

3)black marble,17/39