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Sagot :
The probability of selecting two purple shirts then a blue shirt is 28/323
Given, there are 12 blue shirts and 7 purple shirts in a drawer.
three shirts are randomly selected without replacement.
the probability of selecting two purple shirts then a blue shirt is,
(C(7 , 2) × C(12 , 1))/C(19 , 3) = ((7×6)/2 × 12)/(19×18×17)/6
= (7×6×6)/(19×3×17)
= 84/969
= 28/323
Hence, the probability of selecting two purple shirts then a blue shirt is 28/323
Learn more about Probability here https://brainly.com/question/13604758
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