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Assume that the chances of a patient hav...

Assume that the chances of a patient having a heart attack is 40%. It is also assumed that a meditation and yoga course reduce the risk of heart attack by 30% and prescription of certain drug reduces its chances by 25%. At a time a patient can choose any one of the two options with equal probabilities. It is given that after going through one of the two options the patient selected at random suffers a heart attack. Find the probability that the patient followed a course of meditation and yoga?

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MODERN PUBLICATION-PROBABILITY-EXERCISE
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  3. Assume that the chances of a patient having a heart attack is 40%. It ...

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  6. An electronic assembly consists of two subsystems, say, A and B. From ...

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  7. A box contains 16 bulbs out of which 4 bulbs are defective. 3 bulbs ar...

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  8. From a lot of 30 bulbs which include 6 defectives, a sample of 4 bulbs...

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  9. In a game, a man wins a rupee for a six and loses a rupee for any othe...

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  10. A die is thrown 7 times. If getting an "even number" is "success", fin...

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  11. A die is thrown 8 times. If getting an even number is considered a suc...

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  12. A die is thrown 3 times. If getting an multiple of 3 is considered a s...

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  13. If on an average, out of 10 ships, one is drowned, then what is the pr...

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  14. Suppose that a radio tube insrted into a certain type of set has a pro...

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  15. A die is thrown again and again until three sixes are obtained. Find t...

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  16. An experiment succeeds twice as often as it fails. Find the probabilit...

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  17. How many times must a man toss a fair coin so that the probability of ...

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  18. Fit a binomial distribution to the following data: .

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  19. A man takes a step forward woth probability 0.4 and backward woth prob...

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  20. Out of (2n+1) tickets consecutively numbered, three are drawn at rando...

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