Home
Class 12
MATHS
In binomial distribution of random varia...

In binomial distribution of random variable X if mean = np and variances = npq then
`(P(X=k))/(P(X=k-1))=……`

A

`(n-k)/(k-1)xx(p)/(q)`

B

`(n-k+1)/(k)xx (p)/(q)`

C

`(n+1)/(k)xx (p)/(q)`

D

`(n-1)/(k+1)xx(p)/(q)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Practice Paper - 13 (Section - A (Choose the correct option))|6 Videos

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Practice Paper - 13 (Section - B (Answer the following questions))|4 Videos

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Solutions of NCERT Exemplar Problems (Fillers) |5 Videos

  • MATRICES

    KUMAR PRAKASHAN|Exercise Practice Paper - 3 (Section - D)|1 Videos

  • RELATIONS AND FUNCTIONS

    KUMAR PRAKASHAN|Exercise Practice Paper - 1 (Section - D)|2 Videos

Similar Questions

Explore conceptually related problems

In binomial distribution of random variable X if parameter n = 5 and p(X = 1) = 8 p(X = 3) , then P = ………..

Find probability distribution P(X) of random variable X if sum of mean and variance is 24 and their product is 128.

The probability distribution of random variable X is as follows: Find value of k.

Mean and variance of binomial distribution of random variance X are 4 and 2 respectively then P(X = 1) = ……….

Probability distribution of random variable X is as follows : Then variance of g(X) = 2X + 3 ……….

A probability distribution of random variable X is as follows. b= ….., E(X) =…..

The probability distribution of a random variable X is given below : The value of k is ……….

The following is the probability distribution of a random vaiable X. The value of k is

The mean and standard deviation of random variable X are 10 and 5 respectively, then E((X-15)/(5))^(2)= ____

KUMAR PRAKASHAN-PROBABILITY-Multiple Choice Questions (MCQs)
  1. omega is the cube root of 1 and omega ne 1. Now r(1), r(2) and r(3) ar...

    Text Solution

    |

  2. One number is selected from the set S={1,2,3, …., 50} A={n in S/...

    Text Solution

    |

  3. In binomial distribution of random variable X if mean = np and varianc...

    Text Solution

    |

  4. In binomial distribution of random variable X if parameter n = 5 and p...

    Text Solution

    |

  5. Random variable X takes integer values from 1 to n with equal probabil...

    Text Solution

    |

  6. 8 coins are tossed togather. Then ………. is the probability of an event ...

    Text Solution

    |

  7. Mean and variance of the binomial distribution is 4 and 3 respectively...

    Text Solution

    |

  8. One ticket is selected from pack of 100 tickets numbered with 00, 01, ...

    Text Solution

    |

  9. Mean and variance of variable X of the binomial distribution are (7)/(...

    Text Solution

    |

  10. X and Y are independent binomial variables. B(5,(1)/(2)) and B(7,(1)/...

    Text Solution

    |

  11. 10 % bulbs are defective produced by some factory. 5 bulbs are selecte...

    Text Solution

    |

  12. Match the following Section I to Section II

    Text Solution

    |

  13. A coin is tossed 19 times random variable X denotes the numbers of hea...

    Text Solution

    |

  14. Mean and variance of random variable X are 2 and 1 respectively. Then ...

    Text Solution

    |

  15. Parameters of binomial distribution of variable X are 2n +1 and p =(1...

    Text Solution

    |

  16. A coin is tossed for some times. Probability to get head 7 times is th...

    Text Solution

    |

  17. The sum and product of mean and variance of one binomial distribution ...

    Text Solution

    |

  18. A dice is tossed 100 times. If even number is obtained on dice is succ...

    Text Solution

    |

  19. If P(E ) = 0.8, P(F) = 0.5 and P(E cap F) = 0.4 then P( E//F)=….........

    Text Solution

    |

  20. A random variable X has the following probability distribution : ...

    Text Solution

    |