Home
Class 12
MATHS
Two cards are drawn successively with re...

Two cards are drawn successively with replacement from a pack of cards. Taking the random variable X = the number of kings, find the probability distribution of X. Also find mean and variance of X.

Text Solution

Verified by Experts

The correct Answer is:
`(24)/(169)`
Promotional Banner

Topper's Solved these Questions

  • RANDOM VARIABLE

    AAKASH SERIES|Exercise EXERCISE-3.1 (LONG ANSWER QUESTIONS)|9 Videos

  • RANDOM VARIABLE

    AAKASH SERIES|Exercise EXERCISE-3.2 (VERY SHORT ANSWER QUESTIONS)|16 Videos

  • QUADRATIC EQUATIONS & EXPRESSIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|88 Videos

  • RANDOM VARIABLES

    AAKASH SERIES|Exercise Exercise 4.4|9 Videos

Similar Questions

Explore conceptually related problems

is the probability distribution of random varibale X. Find k and variance of X.

Two cards are drawn successively with replacement . The mean of number of Aces is

is the probability distribution of a random variable X. Find the variance of X.

is the probability distribution of a random variable X. Find the variance of X.

Two cards are drawn successively with replacement from a well shuffled pack of 52 cards. The probability of drawing two aces is

is the probability distribution of a random variable X. Find the value of K and the variance of X.

Cards are drawn one by one with replacement from pack of cards until red card appears. Find the probability of getting king card in last draw.

The probability distribution of a random variable X is given below. Find k, mean and variance of X

AAKASH SERIES-RANDOM VARIABLE -PRACTICE EXERCISE
  1. Two cards are drawn successively with replacement from a pack of cards...

    Text Solution

    |

  2. A random variable X ahs the following distribution {:(x,1,2,3,4),(P...

    Text Solution

    |

  3. X is a random variable with distribution given below {:(x:,0,1,2,3),...

    Text Solution

    |

  4. Given below is the distribution of a random variable X If alpha ...

    Text Solution

    |

  5. A random variable X has the following distribution . The mean and...

    Text Solution

    |

  6. In a probability distribution of a random variable X , the sum of prob...

    Text Solution

    |

  7. A random variable X has the following distribution . The value of...

    Text Solution

    |

  8. If X is the sum of the number when two dice are rolled , then mean var...

    Text Solution

    |

  9. A random variable X has its range {0,1,2,3,………}. If P(X=r)=(c(r+1))/(2...

    Text Solution

    |

  10. If it rains a dealer in rain coats can earn Rs . 500 Rs a day . If it ...

    Text Solution

    |

  11. A box contains 6 tickets. Two of the tickets carry a price of Rs. 5//-...

    Text Solution

    |

  12. For a dealer in a consignment of umbrellas , the probabilty of getting...

    Text Solution

    |

  13. In a binomial distribution n=12, p=1//3. Then mean and variance are

    Text Solution

    |

  14. In a binomial distribution, mean is 5 and the variance is 4 . The numb...

    Text Solution

    |

  15. If the mean and variance of a binomial variate X are (4)/(3),(8)/(9) ...

    Text Solution

    |

  16. If for a binomial distribution the mean is 6 and the standdard deviati...

    Text Solution

    |

  17. A box contains 4 red and 8 white balls . If 4 balls are drawn one by o...

    Text Solution

    |

  18. Probability of happening of an event in an experiment is 0.4 . The pro...

    Text Solution

    |

  19. In a binomial distribution the mean is 12 and the standard deviation i...

    Text Solution

    |

  20. A fair coin is tossed a fixed number times . If the probability of get...

    Text Solution

    |

  21. A coin is biased so that the probability of falling head when tossed i...

    Text Solution

    |