Home
Class 12
MATHS
Find the probability distribution of ...

Find the probability distribution of
(i) number of heads in two tosses of a coin.
 (ii) number of tails in the simultaneous tosses of three coins.
(iii) number of heads in four tosses of a coin.

Text Solution

Verified by Experts

The correct Answer is:
`(##NCERT_BEN_MAT_XII_P2_C13_E04_004_A01##)`
`(##NCERT_BEN_MAT_XII_P2_C13_E04_004_A02##)`
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    NCERT BANGLISH|Exercise EXERCISE 3.5|15 Videos

  • PROBABILITY

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

  • PROBABILITY

    NCERT BANGLISH|Exercise EXERCISE 3.3|14 Videos

  • MATRICES

    NCERT BANGLISH|Exercise Miscellaneous Exercise on Chapter 3|15 Videos

  • RELATIONS AND FUNCTIONS

    NCERT BANGLISH|Exercise MISCLELLANEOUS EXERCISE ON CHAPTER 1|19 Videos

Similar Questions

Explore conceptually related problems

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

The value of expection of the number of heads in 15 tosses of a coin is (15)/(k) . The value of K will be

Find the probability of getting at least one tail in 4 tosses of a coin.

Obtain the expection of the number of tails preceding the first head in the indefinite series of tosses of the same coin

If two coins are simultaneously tossed, then find the probability of occuring two heads.

A coin is tossed n times. Find the probability of odd numbers of heads.

8 coins are tossed simultaneously ,what is the probability of getting 6 heads

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

A coin is tossed again and again. If tail appears on first three tosses, then the chance that head appears on fourth toss is

A coin is tossed three times, where (i) A : head on third toss,B: heads on first two tosses find P(A/B).

NCERT BANGLISH-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 heads and the num...

    Text Solution

    |

  4. Find the probability distribution of (i) number of heads in two tos...

    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. Choose the correct answer The mean of the numbers obtained on throwi...

    Text Solution

    |

  17. Choose the correct answer Suppose that two cards are drawn at random...

    Text Solution

    |