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What is conditional probability?...

What is conditional probability?

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  • Model Test Set - 1

    UNITED BOOK HOUSE|Exercise Exercise|43 Videos
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A die is thrown twice and the sum of the numbers appearing is observed to be 8. What is the conditional probability that the number 5 has appeared at least once ?

A die is thrown twice and the sum of the numbers appearing is observed to be 6. What is the conditional probability that the number 4 has appeared at least once?

Assume that each child born is equally likely to be a boy or a girl. If a family has two children, what is the conditional probability that both are girls given that the youngest is a girl ?

Assume that each born child is equally likely to be a boy or a girl. If a family has two children, what is the conditional probability that both are girls given that  (i) the youngest is a girl, (ii) at least one is a girl?

Answer the following questions : Under which condition a probability model is said to be binomial?

Define conditional probability of event A, given that event B has occurred.

An unbaised die is throwns 3 times. If the first thrown is a 5, the conditional probability of getting 16 as a sum is

An unbiased die is thrown 3 times. If the first thrown is a 5, the conditional probability of getting 16 as sum is-

Two integers are selected at random from the set {1, 2, …, 11}. Given that the sum of selected numbers is even, the conditional probability that both the numbers are even is

UNITED BOOK HOUSE-Model Test Set - 10-Exercise
  1. Write the sample space when one die is thrown twice.

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  2. Define impossible event with examples.

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  3. What is conditional probability?

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  4. Why is Fisher's index number called ideal?

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  5. Distinguish between discrete and continuous variable.

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  6. Write down the merits and demerits of mass questionnaire method.

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  7. If a value of a variable is zero, then what will be the value of A.M.,...

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  8. State and Prove Boole's inequality?

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  9. State and Prove the theorem of compound probability. If events are ind...

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  10. What is the probability of obtaining a multiple of 3 in the throw of a...

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  11. If a man walks along the four sides of a square ground with speeds v1,...

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  12. Prove that the difference between the arithmetic mean and the medain c...

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  13. The mean and s.d. of height readings of a group of employees of a firm...

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  14. Find /\^2(e^(ax+b)), taking the interval of differencing as 1.

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  15. Find the value of log10 3.5 from the following table:

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  16. Prove that log5^7 < sqrt2.

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  17. Find the probability that the birthday of 7 persons will fall on 7 dif...

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  18. An integer x is selected at random from the first 50 natural members. ...

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  19. What do you mean by family budget enquiry?

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  20. Write a short note on histogram of a frequency distribution.

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