The probabilities that a student passes in Mathematics, Physics and Chemistry are m , p…
Mathematics · JEE Advanced · NTA Exams — Statistics and Probability
The probabilities that a student passes in Mathematics, Physics and Chemistry are m, p and c respectively of these subjects, the student has a 75% chance of passing in at least one, a 50% chance of passing in atleast two, and a 40% chance of passing in exactly two. Which of the following relations are true.
- p + m + c = 19/20
- p + m + c = 27/20
- pmc = 1/10
- pmc = 1/4
Answer
(B) p + m + c = 27/20
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