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Let 'X' be a discrete random variable as...

Let 'X' be a discrete random variable assuming values `x_1, x_2, .........x_n` with probabilities `p_1, p_2,........., p_n` respectively. Then variance of 'X' is given by :

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PRADEEP PUBLICATION-PROBABILITY-EXERCISE
  1. Fill ups For the following distribution, the mean is equal to………………

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  2. Fill ups If a random variabale X follows Binomial distribution such th...

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  3. Let 'X' be a discrete random variable assuming values x1, x2, ...........

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  4. Fill ups Mean of probability distribution of a random variable is also...

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  5. Fill ups If E is any event associated with an experiment, then P(eithe...

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  6. Fill ups If A is any event associated with an experiment then P (both ...

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  7. Fill ups If A,B,c are three independent events such that P(A)=P(B)=P( ...

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  8. True or false If E be an event associated with an experiment then P(E'...

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  9. True or false If A and B are independent events associated with an exp...

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  10. True or false If A and B are two events associated with an experiment ...

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  11. If E1 and E2 are two independent events associated with an experiment,...

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  12. If A,B,C are mutually exclusive and exhausive events associated with a...

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  13. Two independent events are always mutually exclusive.

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  14. True or false Two events E1 and E2 are said to be mutaully exclusive i...

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  15. True or false Two mutually exclusive events are always independent.

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  16. True or false If A and B are two independent events then P(A and B)=P(...

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  17. True or false If A and B are independent events then A' and B' are als...

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  18. For any two events E1 and E2 associated with an experiment P(E1cupE2)=...

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  19. True or false For any two events E1 and E2 associated with an experime...

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  20. True or false Another name for the mean of a probability distribution ...

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