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An insurance company insured 2000 scoote...

An insurance company insured 2000 scooter drivers, 4000 car drivers and 6000 truck drivers. The probability of an accidents are 0.01, 0.03 and 0.15 respectively. One of the insured persons meets with an accident. What is the probability that he is a scooter driver?

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An insurance company insured 3000 scooter drivers, 5000 car drivers and 7000 truck drivers. The probabilities of their meeting with an accident respectively are 0.04, 0.05 and 0.15. One of the insured persons meets with an accident. Find the probability that he is a car driver.

An insurance company insured 2000 scooter drivers, 4000 car drivers and 6000 truck drivers . The probability of an accident involving a scooter, car and a truck is 1/100, 3/100 and 3/20 respectively . One of the insured persons meets with an accident. What is the probability that he is a (i) scooter driver (ii) car driver and (iii) truck driver ?

An insurance company insured 2000 scooters and 3000 motorcycles. The probability of an accident involving scooter and a motorcycle is 0.01 and 0.02. What is the probability that the accidented vehicle was a motorcycle.

Three persons A,B and C apply for a job of manager in a private company. Chances of their selection are in the ratio 1:2:4. The probabilities that A,B and C can introduce changes to improve profits of the company are 0.8, 0.5 and 0.3 respectively. If the change does not take place, find the probability that it is due to appointment of C.

Three persons A, B and C apply for a job of Manager in a Private Company. Chances of their selection (A, B and C) are in the ratio 1 : 2 : 4. The probabilities that A, B and C can introduce changes to improve profits of the company are 0.8, 0.5 and 0.3 respectively. If the change does not take place, find the probability that it is due to the appointment of C.

An insurance company selected 2000 drivers at random (i.e., without any preference of one driver over another) in a particular city to find a relationship between age and accidents. The data obtained are given in the following table: Find the probabilities of the following events for a driver chosen at random from the city: having no accidents in one year.

PRADEEP PUBLICATION-PROBABILITY-EXERCISE
  1. A laboratory blood test is 99% effective in detecting a certain diseas...

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  2. There see three coins,one is a two headed coin (having head on both th...

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  3. An insurance company insured 2000 scooter drivers, 4000 car drivers an...

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  4. A factory has two machines A and B. Past record shows that machine A p...

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  5. Two groups are competing for the position on the Board of directors of...

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  6. Suppose a girl throws a die. If she gets a 5 or 6, she tosses a coin t...

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  7. A manufacturer has three machine operators A, B and C. The first opera...

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  8. A card from a pack of 52 cards is lost. From the remaining cards of th...

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  9. Probability that A speaks truth is 4/5. A coin is tossed. A reports t...

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  10. If A and B are two events such that AsubB and P(B) ne 0, then which of...

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  11. State which of the following are not the probability distribution of a...

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  12. State which of the following are not the probability distribution of a...

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  13. State which of the following are not the probability distribution of a...

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  14. State which of the following are not the probability distribution of a...

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  15. An urn contains 5 red and 5 black balls. Two balls are randomly select...

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  16. Let X represent the difference between the number of heads and the num...

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  17. Find the probability distribution of number of heads in two tosses of ...

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  18. Find the probability distribution of number of tails in the simultaneo...

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  19. Find the probability distribution of number of tails in four tosses of...

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  20. Find the probability distribution of the number of successes in two to...

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