Home
Class 12
MATHS
True or false Mean and variance of a bin...

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

Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    PRADEEP PUBLICATION|Exercise EXERCISE|467 Videos

  • MODEL PAPER (2)

    PRADEEP PUBLICATION|Exercise EXERCISE|40 Videos

  • RELATIONS AND FUNCTIONS

    PRADEEP PUBLICATION|Exercise EXERCISE|401 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.

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

The mean and variance of a binomial variable X are respectively 4 and 4/5 . Find P(Xge3)

The mean and variance of a binomial variable X are respectively 4 and 4/3 . Find P(Xge1)

Find the variance of the distribution:

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

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

PRADEEP PUBLICATION-PROBABILITY-EXERCISE
  1. True or false If A, B and C are three independent events such that P(A...

    Text Solution

    |

  2. True or false If a coin is tossed 5 times and X denote the number of h...

    Text Solution

    |

  3. True or false Mean and variance of a binomial distribution are respect...

    Text Solution

    |

  4. Match the statement in column I with those given in column II.

    Text Solution

    |

  5. Events A and B associated with an experiment are said to be independen...

    Text Solution

    |

  6. Events A and B are said to be mutually exclusive iff

    Text Solution

    |

  7. If A and B are independent events then which of the following is not t...

    Text Solution

    |

  8. 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

    |

  9. If P(A)=3/10, P(B)=2/5 then P(AcupB)=3/5, then P(B/A)+P(A/B) equals

    Text Solution

    |

  10. The event A and B are independent if

    Text Solution

    |

  11. For a biased dice, the probabilities of the different faces to turn up...

    Text Solution

    |

  12. If P(A)=2/5, P(B)=3/10 and P(AcapB)=1/5, then P(A'/B')+P(B'/A') is equ...

    Text Solution

    |

  13. If P(A) = 0.4, P(B)=0.8 and P(B/A)=0.6 then P(AcupB)=.

    Text Solution

    |

  14. A and B are events such tahtP (A) = 0.4 , P (B) = 0.3 and P ( A cup B)...

    Text Solution

    |

  15. If P(AcapB)=0.15, P(B)=0.10 then P(A/B)=

    Text Solution

    |

  16. In Q.10 P(A) = 0.4, P(B) = 0.3 P(A∩B)=0.2, P(B/A') is equal to

    Text Solution

    |

  17. If P(B)=3/5, P(A/B)=1/2 and P(AcupB)=4/5 then P(AcupB')+P(A'cupB)=

    Text Solution

    |

  18. Let P(A)=5/13, P(B)=9/13 and P(AcapB)=5/13, then P(A/B) is equal to

    Text Solution

    |

  19. If A and B are two independent events with P(A)=3/5 and P(B)=4/9, then...

    Text Solution

    |

  20. If two events are independent then

    Text Solution

    |