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A letter is taken at random from the let...

A letter is taken at random from the letters of the word STATISTICS and another letter is taken at random from the letters of the word ASSISTANT. What is the probability that the chosen two are the same letter.

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UNITED BOOK HOUSE-Model Test Set - 8-Exercise
  1. If P(A) = 1/2, P(B) = 2/3, then prove that 1/6 le P(A nn B) le 1/2.

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  2. The probability of occurance of at least one of two events A and B is ...

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  3. What are skewness and kurtosis?

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

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

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  6. If x, y, z are positive quantities, prove that frac(x^3 + y^3)(x + y) ...

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  7. Prove that there are no integers x, y such that x + y = 200 and greate...

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  8. What do you mean by smog?

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  9. If n is an odd integer, Prove that 16 is a divisor of n^4 + 4n^2 + 11.

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  10. Write the classical definition of probability and state its limitation...

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  11. Prove that, if A1 and A2 are two events, which are not necessarily mut...

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  12. Find the probability that a leap year selected at random will contain ...

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  13. Show that criide death rate can be expressed as weighted arithmetic me...

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  14. Explain how would construct a cost of living index number (C.L.I)?

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  15. In a frequency table, the upper boundary of each class-interval has a ...

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  16. Write short note on FAO

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  17. A letter is taken at random from the letters of the word STATISTICS an...

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  18. If the letters of the word PROBABILITY are arranged at random, what is...

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  19. Give a comparative study of the structures of diamond and graphite. Ex...

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  20. Which colligative property is most suitable for the determination of m...

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