Home
Class 12
MATHS
Four bad apples are mixed accidentally w...

Four bad apples are mixed accidentally with 20 good apples. Probability distribution of the number of bad apples in a draw of 2 apples with replacement is formed. The mean is

A

`1//3`

B

`22//69`

C

`40//138`

D

`1//23`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • THEORETICAL DISTRIBUTIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) CHOOSE THE CORRECT ANSWER FROM THE ALTERNATIVES 1.2.3 OR 4 GIVEN (SET -1)|4 Videos
  • THEORETICAL DISTRIBUTIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) CHOOSE THE CORRECT ANSWER FROM THE ALTERNATIVES 1.2.3 OR 4 GIVEN (SET -2)|3 Videos
  • THEORETICAL DISTRIBUTIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) CHOOSE THE CORRECT ANSWER FROM THE ALTERNATIVES 1.2.3 OR 4 GIVEN (SET -4)|5 Videos
  • THE PLANE

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) SET 4|4 Videos
  • THEORY OF EQUATIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise SET - 4|4 Videos

Similar Questions

Explore conceptually related problems

Two dice are rolled and the probability distribution of the sum of the numbers on the dice is formed. Find mean of the sum.

Why is the Adam's apple formed?

In a large consignment of apples are rotten. What is the probability that a carton of 48 apples contain less than two rotten ones ? Answer the questions using (i) Binomial distribution (ii) Poisson distribution

In how many different ways 24 apples (identical) be given to 3 boys and 3 girls if the total number of apples received by boys is double of that received by girls.

Three mangoes and three apples are in a box. IF two fruits are chosen at random the probability that one is a mango and the other is an apple is……….

Divide 20 apples between A & B persons in 3:2 ratio.

DIPTI PUBLICATION ( AP EAMET)-THEORETICAL DISTRIBUTIONS-EXERCISE 1 (CHOOSE THE CORRECT ANSWER FROM THE ALTERNATIVE 1,2,3 OR 4 GIVEN )
  1. In a binomial distribution n=12, p=1//3. Then mean and variance are

    Text Solution

    |

  2. Two coins whose faces are market 1 and 2 are tossed. What is mean valu...

    Text Solution

    |

  3. Four bad apples are mixed accidentally with 20 good apples. Probabilit...

    Text Solution

    |

  4. In a binomial distribution n=20, q=0.75. Then mean =

    Text Solution

    |

  5. For binomial distribution n=10, q=0.4, then mean is

    Text Solution

    |

  6. If a binomial distribution have parameters 9, 1//3 then P(X=4)=

    Text Solution

    |

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

    Text Solution

    |

  8. If the mean and variance of a binomial distribution are 15//4 and 15//...

    Text Solution

    |

  9. If a binomial distribution has mean 2.4 and variance is 1.44, then n=

    Text Solution

    |

  10. If a binomial distribution has mean 20 and variance is 15, then p=

    Text Solution

    |

  11. In a binomial distribution n=400, p=1//5, It's standard deviation is

    Text Solution

    |

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

    Text Solution

    |

  13. For a binomial distribution bar x=4, sigma=sqrt3 Then P(X=r)=

    Text Solution

    |

  14. The mean and variance of a random variable X having a binomial distrib...

    Text Solution

    |

  15. The mean and the variance of a binomial distribution are 4 and 2 respe...

    Text Solution

    |

  16. The mean and standard deviation of a binomial variate X are 4 and sqrt...

    Text Solution

    |

  17. If the mean and variance of a binomial variable X are 2 and 1 respecti...

    Text Solution

    |

  18. Let X be a binomially distributed variate with mean 10 and variance 5....

    Text Solution

    |

  19. If the mean and variance of a binomial variate X are 8 and 4 respectiv...

    Text Solution

    |

  20. If the differnce between the mean and variance of a buinomial distribu...

    Text Solution

    |