If  find P(A | B) . from Mathematics Probability

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsShort Answer Type

801.

If P(A) = 3 over 5 and straight P left parenthesis straight B right parenthesis space equals space 1 third comma find:
(i) P(A or B), if A and B are mutually exclusive events.
(ii) P (A and B), if A and B are independent events.

164 Views

802. If A and B are two events such that straight P left parenthesis straight A right parenthesis space equals space 1 fourth comma space space straight P left parenthesis straight B right parenthesis space equals space 1 half space and space straight P left parenthesis straight A intersection straight B right parenthesis space equals space 1 over 8 comma find P(not A and not B).
76 Views

803. Given two independent events A and B such that P(A) = 0.3, P(B) = 0.6. Find P(A and B).
90 Views

804. Given two independent events A and B such that P(A) = 0.3, P(B) = 0.6. Find P(A and not B).
89 Views

Advertisement
805. Given two independent events A and B such that P(A) = 0.3, P(B) = 0.6. Find P(A or B).
106 Views

806. Given two independent events A and B such that P(A) = 0.3, P(B) = 0.6. Find P(neither A nor B)
76 Views

807. A die is thrown. If E is the event ‘the number appearing is a multiple of 3’ and F be the event ‘the number appearing is even’ then find whether E and F are independent?
91 Views

808. An unbiased die is thrown twice. Let the event A be ‘odd number on the first throw’ and B the event ‘odd number on the second throw’. Check the independence of the events A and B.
163 Views

Advertisement
Advertisement

809.

If straight P left parenthesis straight A right parenthesis space equals space 6 over 11 comma space space straight P left parenthesis straight B right parenthesis space equals space 5 over 11 space and space straight P left parenthesis straight A union straight B right parenthesis space equals space 7 over 11 comma find P(A | B) .


Here   straight P left parenthesis straight A right parenthesis space equals space 6 over 11 comma space space straight P left parenthesis straight B right parenthesis space equals space 5 over 11 comma space space straight P left parenthesis straight A union straight B right parenthesis space equals space 7 over 11
            straight P left parenthesis straight A space left enclose straight B right parenthesis space equals space fraction numerator straight P left parenthesis straight A intersection straight B right parenthesis over denominator straight P left parenthesis straight B right parenthesis end fraction space equals fraction numerator begin display style 4 over 11 end style over denominator begin display style 5 over 11 end style end fraction space equals space 4 over 11 cross times 11 over 5 space equals 4 over 5

94 Views

Advertisement
810.

If straight P left parenthesis straight A right parenthesis space equals space 6 over 11 comma space space straight P left parenthesis straight B right parenthesis space equals space 5 over 11 space and space straight P left parenthesis straight A union straight B right parenthesis space equals space 7 over 11 comma find P(B | A)

79 Views

Advertisement