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A box contains purple, green, and red pens. If you randomly select a pen, P(red)=0.36. Find P(purple or green). If there are 150 pens in the box, how many of the pens are red

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asked Feb 17, 2018 82.2k views

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A box contains purple, green, and red pens. If you randomly select a pen, P(red)=0.36. Find P(purple or green). If there are 150 pens in the box, how many of the pens are red

Mathematics
middle-school

Pigalev Pavel asked

by Pigalev Pavel

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P(purple or green) = 1 - P(red)
P(purple or green) = 1 - 0.36
P(purple or green) = 0.64

Michael Brohl answered Feb 19, 2018

by Michael Brohl

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4 votes

56 PENS WOULD BE RED PENS IF IT IS 36 PERCENT OF 150 TOTAL PENS

Adisheshu RY answered Feb 22, 2018

by Adisheshu RY

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A box contains purple, green, and red pens. If you randomly select a pen, P(red)=0.36. Find P(purple or green). If there are 150 pens in the box, how many of the pens are red

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