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If on an average, out of 10 ships, one is drowned, then what is the probability that out of 5 ships, atleast 4 each safely?

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MODERN PUBLICATION-PROBABILITY-EXERCISE
  1. A die is thrown 8 times. If getting an even number is considered a suc...

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

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

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

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

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

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

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

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

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

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  11. If A and B are mutually exclusive, then P(AnnB) is equal to .

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  12. Let E and F be events with P(E)=3/5, P(F)=3/10 and P (E cap F)=1/5. Ar...

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  13. If A and B are two independent events such that P(A)=5/13, P(B)=2/13, ...

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  14. A pair of dice is tossed once and X denotes the sum of numbers that ap...

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  15. A die is tossed thrice. Find the probability of getting an odd number ...

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  16. Write the formula of Bayes' Theorem with its conditions.

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  17. The mean of the number of heads in the two tosses of a coin is .

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  18. Obtain binomial distribution, if : n=6, p=1/3.Find the mean

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  19. Suppose X has a probability distribution B(6,1/2). find which value of...

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  20. If the mean and variance of a binomial distribution are 9 and 6 respec...

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