20e In a class of 45 students it is known that 24 of then do Ait, 20 do Chemistry and 22 do Biol

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We have some information about students taking different school subjects. Now I&#x27;m going to actua

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In this question it is given that probability of physics is 45 percentage that is probability of

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So we&#x27;re told that in a survey of 40 students, 21 had taken math, 16 had taken physics, 15 had t