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Mathematics, 05.05.2020 13:00 daydallas01

In a school of 450 students, 110 are in the Choir, 240 are in the Band and 60 are in Both.
Find the Probability that a student chosen at random is in the Choir or the Band or both?
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In a school of 450 students, 110 are in the Choir, 240 are in the Band and 60 are in Both.
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