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An instructor has a question bank con...

An instructor has a question bank consisting of 300 easy True / False questions. 200 difficult True / False questions. 500 easy multiple choice questions and 400 difficult multiple choice questions. If a question is selected at random from the

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An instructor has a test bank consisting of 300 easy True/False questions, 200 difficult True/False questions, 500 easy multiple choice questions (MCQ) and 400 difficult multiple choice questions. If a questions is selected at random from the test bank, what is the probability that it will be an easy question given that it is a multiple choice question.

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MODERN PUBLICATION-PROBABILITY-NCERT-FILE (Exercise 13.1)
  1. Given that E and F are events such that P(E)=0.6,P(F)=0.3 and P(E nn F...

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  2. Compute P(A/B), if P(B)=05 and P(AnnB)=0. 32

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  3. If P(A)=0.8,P(B)=0.5 and P(B//A)=0.4, find (i) P(A nn B) (ii) P(A//B) ...

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  4. Evaluate P(AuuB), if 2P(A) = P(B) =5/(13)and P(A|B) =2/5

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  5. If P(A)=(6)/(11),P(B)=(5)/(11) and P(A uu B)=(7)/(11), find : (i) P(...

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  6. A coin is tossed three times, where (i) A : head on third toss,B: he...

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  7. Determine P (E|F)in :Two coins are tossed once, where(i) E: tail appe...

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  8. Determine P (E|F) in : A die is thrown three times, E : 4 appears on t...

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  9. Determine P (E|F) in : Mother father and son line up at random for ...

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  10. A black and a red dice are rolled. (a) Find the conditional probabi...

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  11. A fair die is rolled. Consider events E = {1, 3, 5}, F = {2, 3}and G ...

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

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  13. An instructor has a question bank consisting of 300 easy True / Fal...

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  14. Given that the two number appearing on throwing two dice are different...

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  15. Consider the experiment of throwing a die. if a multiple of 3 comes ...

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  16. In each of the Exercises choose the correct answer:If P(A) =1/2, P (B...

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  17. If A and B are events such that P(A//B)=P(B//A), then

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