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Mathematics 8 Online
OpenStudy (anonymous):

A bowl contains 3 red, 8 blue, and 7 black beads. Margaret randomly selects 3 beads. Find the probability of getting a red, blue, and black marble, in that order.

OpenStudy (uri):

@ganeshie8 is good at this. :D

hartnn (hartnn):

lets first just find the probability of getting a red ball . do you know how to ? P(red) = number of red balls / total number of balls =...?

OpenStudy (anonymous):

not really

ganeshie8 (ganeshie8):

P(red) = number of red balls / total number of balls

ganeshie8 (ganeshie8):

number of red balls = 3

ganeshie8 (ganeshie8):

count total number of balls, and take the ratio

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