kendrick2 kendrick2

02-12-2015
Mathematics

contestada

A bag contains 9 purple marbles,2 blue marbles, and 4 pink marbles. The probability of randomly drawing a blue marble is 2/15.What is the probability of not drawing a blue marble?

Respuesta :

MichaelLiu MichaelLiu

02-12-2015

Think about...
You choose a blue marble 2/15 of the times, so the probability that you don't...??
is 1 - (2/15) = 13/15

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