Home
Class 12
MATHS
Eight coins are tossed at a time for 256...

Eight coins are tossed at a time for 256 tiems. Find the expected frequencies of the distribution of heads and tails and tabulate the result. Calculate the mean number of heads and standard deviation.

Text Solution

Verified by Experts

The correct Answer is:
Mean=5 and S.D=`sqrt(2)`
`(##CHY_SND_MAT_XII_U06_C03_E03_022_S01##)`
Promotional Banner

Topper's Solved these Questions

  • BINOMIAL DISTRUTION

    CHHAYA PUBLICATION|Exercise INTEGER ANSWER TYPE|5 Videos

  • BINOMIAL DISTRUTION

    CHHAYA PUBLICATION|Exercise COMPREHENSION TYPE|6 Videos

  • BINOMIAL DISTRUTION

    CHHAYA PUBLICATION|Exercise VERY SHORT ANSWER TYPE QUESTIONS|25 Videos

  • BINARY OPERATION

    CHHAYA PUBLICATION|Exercise Assertion-Reason Type|2 Videos

  • BINOMIAL THEOREM

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Exams (Assertion -Reason Type)|2 Videos

Similar Questions

Explore conceptually related problems

Five coins are tossed 3200 times. Find the expected frequencies of the distribution of heads and tails, and tabulate the result. Calculate the mean number of heads and standard deviation.

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

Six coins are tossed at a time. Find the probability of occring not more than 3 heads.

4 coins are tossed at a time. What is the probability that there are 2 heads and 2 tails?

A coin is tossed 4 times let x denote the number of heads find the probability distribution of X also find the mean and variance of X

Eight unbiased coins tossed simultaneously. Find the probability of getting exactly five heads and at least five heads.

If two fair coins are tossed together 5 times, then the probability of getting 5 heads and 5 tails is -

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

A unbiased coin tossed three times. Find the probability of getting 1 head

Eight unbiased coins are tossed at time . Show that the probabiility of obtaining 5 heads is exactly the same as the probability of obtaining 3 heads

CHHAYA PUBLICATION-BINOMIAL DISTRUTION-SHORT ANSWER TYPE QUESTIONS
  1. The probability that a student entering a university will gradute is 0...

    Text Solution

    |

  2. The probability of a bomb hitting a target is 0.2. Two direct hits are...

    Text Solution

    |

  3. The probability of success in a single trial of a random experiment is...

    Text Solution

    |

  4. A random variable X follows binomial distribution with mean 3 and stan...

    Text Solution

    |

  5. A random variable follows binomial distribution with mean 4 and standa...

    Text Solution

    |

  6. Five percent of the articles produced by a machine are defective. Find...

    Text Solution

    |

  7. If the probability of a defective bolt is (1)/(10), find mean

    Text Solution

    |

  8. If the probability of a defective bolt is (1)/(10), find variance fo...

    Text Solution

    |

  9. If the mean and variance of a certain binomal distribution are 4 and 3...

    Text Solution

    |

  10. A binomial random variable X satisfies the relation 9P(X=4)=P(X=2) wh...

    Text Solution

    |

  11. Five unbiased dice are thrown together 96 times. Find the expected fre...

    Text Solution

    |

  12. Eight coins are tossed at a time for 256 tiems. Find the expected freq...

    Text Solution

    |

  13. The overall percentage of failures in a certain examination is 40. Wha...

    Text Solution

    |

  14. 4 coins are tossed at a time. What is the probability that there are 2...

    Text Solution

    |

  15. In a basket, it is known that 1 out of 5 eggs are rotten. 18 eggs are ...

    Text Solution

    |

  16. 5% of the electric values are defective. 10 values are drawn at random...

    Text Solution

    |

  17. The incidence of occupational desease in an industry is such that the ...

    Text Solution

    |

  18. If the probability of success in a single trial is 0.01, how many Bern...

    Text Solution

    |

  19. Suppose that half the population of a town are consumers of rice. Each...

    Text Solution

    |

  20. In 10 independent throws of a defective die, the probability that an e...

    Text Solution

    |