Home
Class 12
MATHS
In a box containing 100 bulbs 10 are def...

In a box containing 100 bulbs 10 are defective the probability that out of
a sample of 5 bulbs none is defective is ?

A

`10^(-1)`

B

`(1/2)^5`

C

`(9/10)^5`

D

44478

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|128 Videos
  • RELATIONS AND FUNCTIONS

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|86 Videos

Similar Questions

Explore conceptually related problems

Ten eggs are drawn successively with replacement from a lot containing 10% defective eggs. Find the probability that there is at least one defective egg.

It is known that 10% of certain articles manufactured are defective . What is the probability that in a random sample of 12 such articles 9 are defective?

Two balls are drawn at random with replacement from a box containing 10 black and 8 red balls. Find the probability that the first ball is a black and the second is red

Two balls are drawn at random with replacement from a box containing 10 black and 8 red balls. Find the probability that one of them is black and the other is red.

Two balls are drawn with replacement from a box containing 10 black and 8 red balls. Find the probability that one of them is black and the other is red.

Two balls are drawn at random with replacement from a box containing 10 black and 8 red balls. Find the probability that one of them is black and the other red

Two balls are drawn at random with replacement from a box containing 10 black and 8 red balls. Find the probability that both balls are red

A box contains 10 bulbs, of which just three,are defective. If a random sample of five bulbs is drawn, find the probabilities that the sample contains: i) exactly one defective bulb (ii)exactly two defective bulbs (iii) no defective bulbs.

There are 5% defective items in a large bulk of items. What is the probability that a sample of 10 items will include not more than one defective item ?

A N EXCEL PUBLICATION-PROBABILITY-QUESTION BANK
  1. Find the probability of throwing at most 2 sixes in 6 throws of a sing...

    Text Solution

    |

  2. It is known that 10% of certain articles manufactured are defective . ...

    Text Solution

    |

  3. In a box containing 100 bulbs 10 are defective the probability that ou...

    Text Solution

    |

  4. The probability that a student is not a swimmer is 1/5 then the probab...

    Text Solution

    |

  5. The function f:NtoN given by f(x)=2x

    Text Solution

    |

  6. Find gof(x), if f(x)=8x^3 and g(x)=x^(1/3)

    Text Solution

    |

  7. Let ast be an operation such that aastb=LCM of a and b defined on the ...

    Text Solution

    |

  8. If xy<1,tan^-1x+tan^-1y=........ a)tan^-1(frac(x-y)(1+xy)) b)tan^-1(f...

    Text Solution

    |

  9. Prove that 2 tan^(-1)(1/2) + tan^(-1)(1/7) = tan^(-1)(31/17)

    Text Solution

    |

  10. If A=[[0,1],[0,0]] ,B=[[1,0],[0,0]], then BA=

    Text Solution

    |

  11. Write A=[[3,5],[1,-1]] as the sum of a symmetric and a skew symmetric ...

    Text Solution

    |

  12. Find the inverse of A=[[2,-6],[1,-2]]

    Text Solution

    |

  13. The value of abs((x,x-1) , (x+1,x):} is a)1 b)x c)x^2d)0

    Text Solution

    |

  14. Using properties of determinants prove the following. abs[[1,x,x^2...

    Text Solution

    |

  15. Find all points of discontinuity of f where f is defined by f(x)={(2x+...

    Text Solution

    |

  16. If e^(x-y)=x^y then prove that dy/dx=logx/[logex]^2

    Text Solution

    |

  17. The slope of the tangent to the curve given x=1-costheta,y=theta-sin...

    Text Solution

    |

  18. Find the intervals in which the function f(x)=x^2-4x+6 is strictly dec...

    Text Solution

    |

  19. Find the minimum and maximum value, if any, of the function f(x)=(2x-1...

    Text Solution

    |

  20. Which of the following function has neither local maxima nor local min...

    Text Solution

    |