Home
Class 9
MATHS
A tyre manufacturing company kept a reco...

A tyre manufacturing company kept a record of the distance covered before a tyre needed to be replaced . The table shows the results of 1000 cases :
`{:("Distance (in km)","less than 400","4000 to 9000","9001 to 14000","more than 14000"),("Frequency",20,210,325,445):}`
If you buy a tyre of this company , what is the probability that :
it will last more than 9000 km ?

Text Solution

Verified by Experts

The correct Answer is:
`0.77`
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Skill Testing Exercise|8 Videos

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise EXERCISE 15.1|23 Videos

  • POLYNOMIALS

    KUMAR PRAKASHAN|Exercise Multiple Choice Questions (MCQs)|20 Videos

  • QUADRILATERALS

    KUMAR PRAKASHAN|Exercise MULTIPLE CHOICE QUESTION(MCQs)|15 Videos

Similar Questions

Explore conceptually related problems

A tyre manufacturing company kept a record of the distance covered before a tyre needed to be replaced . The table shows the results of 1000 cases : {:("Distance (in km)","less than 400","4000 to 9000","9001 to 14000","more than 14000"),("Frequency",20,210,325,445):} If you buy a tyre of this company , what is the probability that : it will need to be replaced before it has covered 4000 km ?

A tyre manufacturing company kept a record of the distance covered before a tyre needed to be replaced . The table shows the results of 1000 cases : {:("Distance (in km)","less than 400","4000 to 9000","9001 to 14000","more than 14000"),("Frequency",20,210,325,445):} If you buy a tyre of this company , what is the probability that : it will need to be replaced after it has covered somewhere between 4000 km and 14000 km ?