bsweet1arenzierryl bsweet1arenzierryl

30-04-2017
Mathematics

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A baby has 4 pink rocks, 7 red rocks, 3 white rocks and 1 black rock what is the probability of getting a red rock

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afnanmakhdoom00 afnanmakhdoom00

30-04-2017

Take the number of red rocks and divide it by the total number of rocks.
7/(4+7+3+1)
= 7/15

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