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3 years ago

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A bag contains 11 black and 21 gray marbles. A marble is drawn at random. What is the theoretical probability of NOT drawing a g

ray marble?
P(Not gray) =

1 answer:

mr_godi [17]3 years ago

4 0

P ( not gray)=11/32 ( not gray means black 11),
dividing (11+21=32 - altogether)

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