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In a school of 450 students, 110 of them are in the choir, 240 of them are in the band and 60 students are in the choir and the band.
Find the probability that a student chosen at random is in the choir or the band or both

Please Answer Asap In A School Of 450 Students 110 Of Them Are In The Choir 240 Of Them Are In The Band And 60 Students Are In The Choir And The Band Find The P class=

Answer :

26JHRNJEGO
There are 250 total students.

180 take band.
60 take band and chorus .... that is the intersection of the 2 groups.

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