Home
Class 12
MATHS
A perfect cubic die is thrown a large nu...

A perfect cubic die is thrown a large number of times in sets of 8. The occurrence f 5 or 6 is called a success. If the proportion of the sets you expect 3 successes is x%, then find x

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • BINARY OPERATIONS

    RD SHARMA ENGLISH|Exercise All Questions|226 Videos
  • CONTINUITY

    RD SHARMA ENGLISH|Exercise All Questions|282 Videos

Similar Questions

Explore conceptually related problems

Five dice are thrown is simultaneously. If the occurrence of an even number in a single dice is considered a success, find the probability of at most 3 success.

In eight throws of a die 5 or 6 is considered a success, find the mean number of successes and the standard deviation.

A die is thrown 20 times. Getting a number greater than 4 is considered a success. Find the mean and variance of the number of successes.

A die is thrown 6 times. If "getting an even number" is a success, what is the probability of (i) 5 successes? (ii) at least 5 successes? (iii) at most 5 successes?

A die is thrown 6 times. If getting an odd number is a success, what is the probability of(i) 5 successes?(ii) at least 5 successes?(iii) at most 5 successes?

A die is thrown three times. Let X be the number of twos seen. Find the expectation of X .

A die is thrown three times. Let X be the number of twos seen. Find the expectation of X .

A die is thrown 6 times. If "getting an odd number" is a success, what is the probability of (i) 5 successes?

A die is thrown thrice. A success is 1 or 6 in a throw. Find the mean and variance of the number of successes.

A die is thrown a fixed number of times. If probability of getting even number 3 times is same as the probability of getting even number 4 times, then probability of getting even number exactly once is 1//6 b. 1//9 c. 5//36 d. 7//128

RD SHARMA ENGLISH-BINOMIAL DISTRIBUTION -All Questions
  1. If the probability of a defective bolt is 0.1, find the i. mean and ii...

    Text Solution

    |

  2. In a binomial distribution , prove that mean > variance

    Text Solution

    |

  3. A perfect cubic die is thrown a large number of times in sets of 8. Th...

    Text Solution

    |

  4. If X follows binomial distribution with mean 4 and variance 2, find P...

    Text Solution

    |

  5. If tow dice are rolled 12 times, obtain the mean and the variance of ...

    Text Solution

    |

  6. In a game, a man wins a rupee for a six and loses a rupee for any o...

    Text Solution

    |

  7. The mean and variance of a binomial variance with parameters n and p a...

    Text Solution

    |

  8. There are three urns A, B and C. Urn A contains 4 white balls and 5 ...

    Text Solution

    |

  9. The probability of a man hitting a target is 0.25. He shoots 7 times. ...

    Text Solution

    |

  10. A bag contains 3 red and 4 black balls. One ball is drawn and then rep...

    Text Solution

    |

  11. Two cards are drawn successively with replacement from a well shuffled...

    Text Solution

    |

  12. Assume that the probability that a bomb dropped from an aeroplane will...

    Text Solution

    |

  13. Six coins are tossed simultaneously. Find the probability of getting (...

    Text Solution

    |

  14. Assume that on a n average on telephone number out of 15 called bet...

    Text Solution

    |

  15. Six dice are thrown 729 time. How many times do you expect at least...

    Text Solution

    |

  16. Assuming that half the population are consumers of chocolate, so that ...

    Text Solution

    |

  17. The probability of a man hitting a target is 1/2. How many times must ...

    Text Solution

    |

  18. An unbaised coin is tossed 8 times. Find , by using binomial distribut...

    Text Solution

    |

  19. The items produced by a company contain 10% defective items. Show that...

    Text Solution

    |

  20. A bag contains 2 white, 3 red and 4 blue balls. If the random variable...

    Text Solution

    |