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Alchen [17]
3 years ago
12

If a bag has 40 red and blue marbles and a quarter of them are red what is the probability of picking a blue one

Mathematics
1 answer:
ella [17]3 years ago
7 0
Total marbles = 40 & 1/4  (or 0.25) are, then RED = 40x 0.25 = 10

If RED = 10 then BLUE = 30

P(picking one blue) = 30/40 = 3/4 =0.75
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