Home
Class 12
MATHS
If the mean and variance of a binomial d...

If the mean and variance of a binomial distribution are 9 and 6 respectively, find the number of trials.

Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    MODERN PUBLICATION|Exercise EXERCISE|543 Videos

  • MOCK TEST-3

    MODERN PUBLICATION|Exercise EXERCISE|35 Videos

  • RELATIONS AND FUNCTION

    MODERN PUBLICATION|Exercise EXAMPLE|212 Videos

Similar Questions

Explore conceptually related problems

The mean and variance of a binomial distribution are 6 and 4 respectively, then n is

The mean and variance of the binomial distribution are 4 and 4/3 respectively. Find p .

The sum and product of the mean and variance of a binomial distribution are 3.5 and 3 respectively. Find the binomial distribution.

The mean and variance of a binomial distribution are (5)/(4) and (15)/(16) respectively, then value of p, is

True or false Mean and variance of a binomial distribution are respectively np and sqrt(npq) .

If the sum of the mean and variance of a binomial distribution for 18 trials is 10, find the distributin.

If the sum of the mean and variance of a binomial distribution of 5 trials is 35/16 , find the distribution.

The mean and variance of a random variable X having a binomial distribution are 4 and 2 respectively, then P(X=1) is

The sum of the mean and variance of a Binomial distribution of 6 trials is 10/3 , find the Binomial distribution.

The sum of mean and variance of a binomial distribution is 15 and their product is 54. find the distribution.

MODERN PUBLICATION-PROBABILITY-EXERCISE
  1. Obtain binomial distribution, if : n=6, p=1/3.Find the mean

    Text Solution

    |

  2. Suppose X has a probability distribution B(6,1/2). find which value of...

    Text Solution

    |

  3. If the mean and variance of a binomial distribution are 9 and 6 respec...

    Text Solution

    |

  4. If P(A) = 1/2, P(B) = 0, P(A//B) is :

    Text Solution

    |

  5. If A and B are events such that P(A/B)=P(B/A), then

    Text Solution

    |

  6. The probability of obtaining an even prime number on each die, when a ...

    Text Solution

    |

  7. Two events A and B will be independent, if:

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  10. If A and B are two events such that P(A) ne 0 and P(B/A) = 1, then

    Text Solution

    |

  11. If P(A/B) > P(A), then which of the following is correct : :

    Text Solution

    |

  12. If A and B are any two events such that : P(A) + P(B) – P(A and B) = P...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  15. In a box containing 100 bulbs, 10 are defective. The probability that ...

    Text Solution

    |

  16. The probability that a student is not a swimmer is 1/5. Then the prob...

    Text Solution

    |

  17. A die is thrown once, then the probability of getting a number greater...

    Text Solution

    |

  18. If P(A)=0.2, P(B)=0.4, P(AuuB)=0.6 , then P(A//B) is equal to

    Text Solution

    |

  19. Let A and B be two events. If P(A)=0.6, P(B)=0.2, P(A/B)=0.5, then P(A...

    Text Solution

    |

  20. If A and B are independent events such that 0 lt P (A) lt 1 and 0 lt P...

    Text Solution

    |