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Find the mean number of heads in three t...

Find the mean number of heads in three tosses of a fair coin.

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Find the probability distribution of the number of heads in three tosses of a fair coin.

Find the mean and variance of the number of heads in the two tosses of a coin.

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Find the probability distribution of number of tails in the simultaneous tosses of three coins

Find the probability distribution of the number of tails in the simultaneous toss of two coins.

Let X represent the absolute difference between the number of heads and the number of tails obtained when a coin is tossed 6 times. What are the possible values of X?

Obtain the probability distribution of the total number of heads occurring in a toss of three unbiased coins.

A fair coin with I marked on one face and 6 on the other and a fair die are both tossed, find the probability that the sum of the numbers that turn up is 12

A fair coin with 1 marked on one face and 6 on the other and a fair die are both tossed.find the probability that the sum of numbers that turn up 3

V PUBLICATION-PROBABILITY-QUESTION BANK
  1. From a lot of 30 bulbs which include 6 defectives, a sample of 4 bulbs...

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  2. A coin is tossed so that the head is 3 times as likely to occur as tai...

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  3. Find the mean number of heads in three tosses of a fair coin.

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  4. Two dice are thrown simultaneously. If X denotes the number of sixes, ...

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  5. Two numbers are selected at random (without replacement) from the firs...

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  6. Let 'X' denote the sum of the numbers obtained when two fair dice are ...

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  7. A class has 15 students whose ages are 14,17,15,14,21,17,19,20,16,18,2...

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  8. In a meeting, 70 % of the members favour and 30 % oppose a certain pro...

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  9. Choose the corréct answer in each of the following The mean of the num...

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  10. Suppose that two cards are drawn at random from a deck of cards. Let ...

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  11. If a fair coin is tossed 10 times, Find the probability of Exactly 6 ...

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  12. Ten eggs are drawn successively with replacement from a lot containing...

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  13. A die is thrown 6 times. If getting an odd number is a success, what i...

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  14. A pair of dice is thrown 4 times. If getting a doublet is considered a...

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  15. There are 5% defective items in a large bulk of items. What is the pro...

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  16. Five cards are drawn successively with a replacement from a pack of 52...

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  17. The probability that a bulb produced by a factory will fuse after 150 ...

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  18. A bag consists of 10 balls each marked with one of the digits 0 to 9 ....

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  19. In an examination 20 question of true false type are asked suppose a s...

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  20. Suppose X has a binomial distribution B(6,1/2) show that X=3 is the mo...

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