Home
Class 12
MATHS
A coin is biased so that the head is 3 t...

A coin is biased so that the head is 3 times as likely to occur as tail. If the coin is tossed twice, find the probability distribution of number of tails.

Text Solution

Verified by Experts

The correct Answer is:
`(##NCERT_TAM_MAT_XII_P2_C13_E04_007_A01##)`
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    NCERT TAMIL|Exercise EXERCISE 3.5|15 Videos

  • PROBABILITY

    NCERT TAMIL|Exercise MISCELLANEOUS EXERCISE ON CHAPTER 13|19 Videos

  • PROBABILITY

    NCERT TAMIL|Exercise EXERCISE 3.3|14 Videos

  • ORDINARY DIFFERENTIAL EQUATIONS

    NCERT TAMIL|Exercise EXERCISE 10.9|25 Videos

  • PROBABILITY DISTRIBUTIONS

    NCERT TAMIL|Exercise EXERCISE 11.6 (Choose the Correct )|19 Videos

Similar Questions

Explore conceptually related problems

A coin is tossed twice, what is the probability that etleast on tail occurs?

A coin is tossed thrice. What is the probability of getting two consecutive tails ?

A coin is tossed thrice. What is the probability of getting two consecutive tails ?

If a coin be tossed n times, then find the probability that the head comes odd times.

Two fair coins are tossed simultaneously Find the probability mass function for number of tails occurred

A coin is tossed twice. What is the probability of getting exactly one head ?

NCERT TAMIL-PROBABILITY-EXERCISE 3.4
  1. State which of the following are not the probability distributions of ...

    Text Solution

    |

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

    Text Solution

    |

  3. Let X represent the difference between the number of head and the numb...

    Text Solution

    |

  4. Find the probability distribution of i. number of head in two tosse...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  8. A random variable X has the following probability distribution. ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  13. Let X denote the sum of the numbers obtained when two fair dice are ro...

    Text Solution

    |

  14. A class has 15 students whose ages are 14, 17, 15, 14, 21, 17, 19, 20,...

    Text Solution

    |

  15. In a meeting, 70% of the members favour and 30% oppose a certain propo...

    Text Solution

    |

  16. The mean of the numbers obtained on throwing a die having written 1 on...

    Text Solution

    |

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

    Text Solution

    |