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Suppose a girl throws a die. If she gets...

Suppose a girl throws a die. If she gets a 5 or 6, she tosses a coin three times and notes the numbers of heads. If she gets 1,2,3, or 4, she tosses a coin once and notes whether a head or a tail is obtained. If she attained exactly one head what is the probability that she threw 1,2,3, or 4 with the die?

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Suppose a girl throws a die. If she gets a 5 or 6, she tosses a coin three times and notes the number of heads. If she gets 1, 2, 3 or 4, she tosses a coin once and notes whether a head or tail is obtained. If she obtained exactly one head, what is the probability that she threw 1, 2, 3 or 4 with the die ?

A girl throws a die. If she gets 5 or 6, tosses a coin three times and notes the number of heads. If she gets 1,2,3 or 4, she tosses a coin two times and notes the number of heads. If she obtained exactly two heads, what is the probability that she throws 1,2,3 or 4 with the die.

True or false If a coin is tossed 5 times and X denote the number of heads shows then P(X=2)=P(X=3).

Three fair coins are tossed. The probability of getting exactly one head is,

A coin is tossed 50 times and the tail appears 28 times. In a single throw of a coin, what is the probability of getting a head?

The probability of getting exactly two heads when tossing a coin three times is

In 40 tosses of a coin, tail appears 32 times. If a coin is tossed at random, what is the probability of getting a head?

PSEB-PROBABILITY-Exercise
  1. A factory has two machines A and B. Past record shows that machine A p...

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

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

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

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

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

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

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  8. An urn contains 5 red and 2 black balls. Two balls are randomly drawn....

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

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

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

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  12. Find the probability distribution of number of heads in four tosses of...

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

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

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

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  16. A coin is biased so that the head is 3 times as likely to occur as tai...

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  17. The random variable X has a probability distribution P(X) of the follo...

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  18. The random variable X has a probability distribution P(X) of the follo...

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

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

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