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Let A and B be two events such that P(A)...

Let A and B be two events such that P(A) = 0.3 and `P(A cup B) = 0.8`. If A and B are independent events then P(B) = ?

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UNITED BOOK HOUSE-Model Test Set - 9-Exercise
  1. Draw venn diagram to represent the following set : (A cup B)-C.

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  2. Draw Venn diagram to represent the following sets A B^c

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  3. Let A and B be two events such that P(A) = 0.3 and P(A cup B) = 0.8. I...

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  4. Discuss about different sources of data on vital events.

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  5. What do you mean by Broca's Index?

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  6. Find the variance of the following observations : 30, 40, 50, 60, 70.

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  7. Let there be two sets of observations. The first set contains 10 obser...

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  8. Distinguish between primary and secondary data.

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  9. if P(A|B) = 1/3, P(A) = 1/4 and P(B) = 1/2, find the probability that ...

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  10. If P(A) = 0.2, P(B) = 0.3, P(C ) = 0.4 and A, B and C be independent t...

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  11. Write the axiomatic definition of probability?

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  12. Sum of the squares of deviation is least about

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  13. What do you mean by a cumulative frequency distribution. Point out its...

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  14. What is the value of Sheppard's correction of moments for m4?

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  15. For three unequal positive real numbers a, b, c show that (b + c) (c +...

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  16. If x1, x2,…….xn are real quantities. Prove that 1/n overset(n)underset...

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  17. First the greatest common divisor of 801 and 423.

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  18. State and prove Remainder theorem.

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  19. Show that if events A and B are independent, then so are A^c and B^c.

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  20. A Box contains 5 white and 3 black ball. One ball is drawn and it is s...

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