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A bag of marbles contains 5 red, 7 purple, and 3 blue marbles. If one marble is chosen at random, what is the probability that the marble is NOT blue?
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1 vote
A bag of marbles contains 5 red, 7 purple, and 3 blue marbles. If one marble is

chosen at random, what is the probability that the marble is NOT blue?

User Arsanyf
by
7.7k points

1 Answer

5 votes

Answer: 4/5

Explanation:

Total marbles = 5 + 7 + 3

P(Red) = 5/15

P(Purple) = 7/15


P(Not Blue) = P(Red) + P(Purple)

= 5/15 + 7/15

= 12/15 or 4/5

User Bis
by
8.4k points
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