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in Statistics and probability by (52.5k points)

The probabilities that a student passes in Mathematics, Physics and Chemistry are m, p and c, respectively. On these subjects, the student has a 75% chance of passing in at least one, a 50% chance of passing in at least two and a 40% chance of passing in exactly two. Which of the following relations are true?

(A) p + m + c = 19/20

(B) p + m + c = 27/20

(C) pmc = 1/10

(D) pmc = 1/4

1 Answer

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by (54.8k points)
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Best answer

Answer is  (B), (C)

Let M P, and C be the events of passing in mathematics, physics and chemistry, respectively.

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