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In a college, 70% students pass in Physi...

In a college, 70% students pass in Physics, 75% students pass in Mathematics and 10% students fail in both. One student is chosen at random. What is the probability that (1) he passes in Physics and Mathematics?
he passes in Physics, given that he passes in Mathematics?

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ARIHANT PUBLICATION-PROBABILITY-PART I (QUESTION FOR PRACTICE ) SHORT ANSWER TYPE QUESTIONS
  1. If A and B are two events such that P(A) = 0.6, P(B)= 0.5 and P(A nn B...

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  2. A and B are two events. If P(A) = (3)/(8), P(B) = (1)/(2) and P(A nn B...

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  3. A and B are two events. If P(A) = (3)/(8), P(B) = (1)/(2) and P(A nn ...

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  4. If P(A)=2/5,P(B)=3/10 and P(A cap B)=1/5 then find (P(A//B))/(P(B//A...

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  5. If A and B are two events such that P(A)=1/2 P(B) P(B)=1/3 and P(A ...

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  6. If P(B)=3/5,P(A//B)=1/2 and P(A cupB)=4/5 then find P(A cupB)+P(A cap...

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  7. If A and B are two events such that P(A)=1/2, P(B)=1/3 and P(A capB...

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  8. Two integers are selected at random from integers 1 to 11. If the sum ...

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  9. 10% of the bulbs produced in a factory are of red colour and 2% are re...

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  10. In a college, 70% students pass in Physics, 75% students pass in Mathe...

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  11. In a college, 70% students pass in Physics, 75% students pass in Mathe...

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  12. In a college, 70% students pass in Physics, 75% students pass in Mathe...

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  13. An instructor has a question bank consisting of 300 easy true/false qu...

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  14. Assume that each born child is equally likely to be a boy or a girl. I...

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  15. Assume that each born child is equally likely to be a boy or a girl. I...

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  16. Assume that in a family, each child is equally likely to be a boy or a...

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  17. If E, F and G are events in sample space S, with G4 ne phi then prove...

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  18. If E, F and G are events in sample space S, with G4 ne phi then prove...

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  19. If P(A) = 0.4, P(B//A) = 0.3 and P(B^(c)/A^(c)) = 0.2. Find P(B).

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  20. The probability that student will pass the final examination in both E...

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