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 ?

A tyre manufacturing company kept a record of the distance covered bef

1.	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 ?
Answer» ANSWER :`0.535`