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For a dealer in a consignment of umbrell...

For a dealer in a consignment of umbrellas , the probabilty of getting a profit of `Rs. 1500` is 0.6, the probability of getting a loss of `Rs. 1000` is 0.3 and the probability of getting no profit or no loss is 0.1. The mean profit of the dealer is

A

500

B

900

C

300

D

600

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-THEORETICAL DISTRIBUTIONS-EXERCISE 1 (CHOOSE THE CORRECT ANSWER FROM THE ALTERNATIVE 1,2,3 OR 4 GIVEN )
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  2. Let X denote the profit of a business man. The probability of getting ...

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  3. For a dealer in a consignment of umbrellas , the probabilty of getting...

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  4. A box contains 6 tickets. Two of the tickets carry a price of Rs. 5//-...

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  5. A random variable X has the probability distribution: {:(X:,1,2,3,4,...

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  6. The probability of getting exactly 2 heads when tossing 7 coins is

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  7. A coin is tossed 3 times. The probability of getting head once and tai...

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  8. If X is the number of heads getting when five coins are tossed, then m...

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  9. If X is the number of heads getting when 8 coins are tossed , then mea...

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  10. If X is the number on the die , when a die is rolled, then mean and st...

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  11. If X is the sum of the number when two dice are rolled , then mean var...

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  12. In a binomial distribution n=12, p=1//3. Then mean and variance are

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  13. Two coins whose faces are market 1 and 2 are tossed. What is mean valu...

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  14. Four bad apples are mixed accidentally with 20 good apples. Probabilit...

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  15. In a binomial distribution n=20, q=0.75. Then mean =

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  16. For binomial distribution n=10, q=0.4, then mean is

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  17. If a binomial distribution have parameters 9, 1//3 then P(X=4)=

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  18. In a binomial distribution, mean is 5 and the variance is 4 . The numb...

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  19. If the mean and variance of a binomial distribution are 15//4 and 15//...

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  20. If a binomial distribution has mean 2.4 and variance is 1.44, then n=

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