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If events A and B are complementary to each other, then P(B) =?

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UNITED BOOK HOUSE-Model Test Set -3-Exercise
  1. If the standard deviation of 1,2,3,4,5,6 and 7 is 2, then that of 101,...

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  2. If the relation between two variables x and y is 2x + 3y = 7 and media...

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  3. If events A and B are complementary to each other, then P(B) =?

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  4. If P(A) = 1/3 , P(B) = 1/2, P(AIB) = 1/6. find P(BIA).

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  5. Write the sample space when one die is thrown twice.

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  6. Let A, B, C be three arbitrary events. Find the expressions for the fo...

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  7. Let A, B, C be three arbitrary events. Find the expressions for the fo...

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  8. Write down the Laspeyre's price index formula.

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  9. Distinguish between attribute and variable.

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  10. Show that the sum of deviations of a set of observations about their m...

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  11. What is a questionnaire in Statistics? State various characteristics o...

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  12. If P(A + B) = 7/12 and P(A) = 1/3 for two independent events A and B, ...

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  13. If P(A - B) = 1/3, P(A) =1/2 and P(B)= 1/3 , calculate the probability...

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  14. Can two mutually exclusive events with positive probabilities be indep...

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  15. For three values a, (a+b)/2 and b(> a) find the value of range/sd.

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  16. What is coefficient of variation? State its uses.

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  17. What are the principal characteristics of an ideal average?

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  18. Suppose the least value (5) of a set of 50 values is changed to 4. Wha...

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  19. Find the condition that the equation x^3 - px^2 + qx -x = 0 should hav...

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  20. Find the remainder when x^5+ 5x^4 + x^3 + 5x^2 + 2x + 11 is divided by...

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