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Find the probability of 1 head when two...

Find the probability of 1 head when two coins are tossed simulataneously .

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`=(1)/(2)`
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Find the mean and variance of the number of heads when two coins are tossed simultaneously.

(a) (i) Find the probability distribution of the number of heads when three coins are tossed simultaneously. (ii) Find the probability distribution of the number of tails in the simultaneous tosses of three coins. (iii) Find the probability distribution of the number of heads in the simultaneous toss of four coins. (b) (i) Find the probability distribution of the number of heads in three tosses of a coin. (ii) Find the probability distribution of the number of sixes in two tosses of a die. ( c ) Find the probability distribution of the number of heads (tails) in four tosses of a coin.

Find the probability of getting a head when a coin is tossed once.Also find the probability of getting a tail.

MAHENDRA-PROBABILITY -EXERCISE
  1. Find the probability of 1 head when two coins are tossed simulataneou...

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  2. In a simultaneous toss of two coins ,find the probability of tails .

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  3. In a simultaneous toss of two find the probability of exactly 1 tail .

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  4. In a simultaneous toss of two coins ,find the probability of tails .

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  5. Three coins are tossed .Find the probability of heads .

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  6. Three coins are tossed .Find the probability of exactly 2 heads .

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  7. Three coins are tossed .Find the probability of no heads .

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  8. Three unbiased coins are tossed. Find the probability of getting atlea...

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  9. Four coins are tossed once .Find the probability of exactly 3 tails.

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  10. Four coins are tossed once .Find the probability of exactly 2 tail .

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  11. In a single throw of two dice .Find the probability of doublet ?

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  12. Two unbiased dice are rolled.Find the probability of getting a multipl...

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  13. Two unbiased dice are rolled.Find the probability of getting a multipl...

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  14. The letters of word SOCIETY are placed in a row .What is the probabili...

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  15. Find the probability that in a random arrangement of letters of the wo...

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  16. If letters of the word PENCIL are arranged in random order ,What is th...

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  17. What is the probability that one card drawn at random from the pack of...

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  18. In a class of 25 students with roll numbers 1 to 25 ,a student is pick...

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  19. A card is drawn from a pack of 52 cards .find the probability of getti...

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  20. Find bag contains 4 white and 2 black balls .Another contains 3 white ...

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  21. Find bag contains 4 white and 2 black balls .Another contains 3 white ...

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