Home
Class 12
MATHS
The time (in minutes)that a lab assistan...

The time (in minutes)that a lab assistant to prepare the equipment for a certain experiment is a random variable taking values between 25 and 35 minutes with pdf `f(x)=1/10,25lexle35`,=0,otherwise.What is the probability that preparation time exceed 33 minutes?Also find cdf of X.

Promotional Banner

Topper's Solved these Questions

  • Matrices

    CHETANA PUBLICATION|Exercise EXERCISE|96 Videos

  • Trignometric Functions

    CHETANA PUBLICATION|Exercise EXERCISE|113 Videos

Similar Questions

Explore conceptually related problems

Suppose that X is waiting time in minutes for a bus and its p.d.f is given by. f(x)=1/5,for 0lexle5 and =0 otherwise.Find the probability that (i)Waiting time is between 1 and 3.

Let X =time (in minutes) that elapser betweeb the bell and the end of the lecture in case of a college professor.Suppose X has a pdf. f(x)=kx^2,0lexle2 and =0,otherwise.(ii)What is the probability that lecture ends within 1 minute of the bell ringing.

Let X =time (in minutes) that elapser betweeb the bell and the end of the lecture in case of a college professor.Suppose X has a pdf. f(x)=kx^2,0lexle2 and =0,otherwise.(iii)What is the probability that lecture continues for atleast 90 seconds beyond the bell?

Let X = time (in minutes ) that lapses between the bell and the end of the lectures in cases of a collge professor. Suppose X has p.d.f f(x) ={{:(kx^(2),0 le x le 2),(0,"otherwise"):} What is the probability that lecture ends within 1 minute of the bell ringing ?

IF r.v X : waiting time in minutes for bus and p.d.f of X is given by f(x) ={{:((1)/(5),0 le x le 5),(0,"otherwise ,"):} then probabaility of waiting time not more than 4 minutes is

Let X = time (in minutes ) that lapses between the bell and the end of the lectures in cases of a collge professor. Suppose X has p.d.f f(x) ={{:(kx^(2),0 le x le 2),(0,"otherwise"):} Find the value of k.

The p.d.f. of a random variable X is f(x)=1/5, 0lexle5 =0 , otherwise Then the value of P(1 lt X lt 3) is

CHETANA PUBLICATION-PROBABILITY DISTRIBUTIONS-EXERCISE
  1. Find the expected value,variance and standard deviation of a random va...

    Text Solution

    |

  2. The pmf for X=numbers of major defects in a randomly selected applianc...

    Text Solution

    |

  3. The time (in minutes)that a lab assistant to prepare the equipment for...

    Text Solution

    |

  4. P.d.f of a c.r.v X is f(x)=6x(1-x),for 0lexle1 and =0,otherwise(elsew...

    Text Solution

    |

  5. If the p.d.f of a r.v.x is f(x)=3(1-2x^2),for 0ltxlt1 and =0,other wi...

    Text Solution

    |

  6. If the p.d.f of a c.r.v. X is f(x)=x^2/18, for -3 < x < 3 and =0, oth...

    Text Solution

    |

  7. If p.m.f of a d.r.v.X is P(X=x)=(^5CX)/2^5, for x=0,1,2,3,4,5 and =0,...

    Text Solution

    |

  8. If X denotes the number obtained on the uppermost face when a fair di...

    Text Solution

    |

  9. If X is a r.v with pmf P(x)=kx,for x=1,2,3,=0,otherwise,then K=………..

    Text Solution

    |

  10. Let pmf of a random variable X is P(x)=(3-x)/10,x=-1,0,1,2.=0,otherwis...

    Text Solution

    |

  11. If the pdf of continuous random variable X is given as f(x)=x^2/3,-1 <...

    Text Solution

    |

  12. If the p.d.f of a c.r.v. X is f(x)=x^2/18, for -3 < x < 3 and =0, oth...

    Text Solution

    |

  13. Verify whether f(x)=sin x for 0lexlepi/2 is pdf of r.v.X.

    Text Solution

    |

  14. In a meeting.70% of the members favour and 30% oppose a certain propos...

    Text Solution

    |

  15. Find the probability distribution of number of tails in the simultaneo...

    Text Solution

    |

  16. If a r.v.X has p.d.f.,f(x)=c/x, For 1< x< 3 ,c>0, find c and E(X)

    Text Solution

    |

  17. The pdf of r.v.X is given by P(X=x)=^5Cx/2^5,for x=0,1,2,3,4,5=0,other...

    Text Solution

    |

  18. The pdf of r.v.X is given by f(x)=1/2a,for 0<x<2a, =0,otherwise, show ...

    Text Solution

    |

  19. Let X be the amount of time for which a book is taken out of library b...

    Text Solution

    |

  20. Let X be the amount of time for which a book is taken out of library b...

    Text Solution

    |