A tyre manufacturing company kept a record of the distance covered before a tym needed to be replaced.Distance (in km) Less than 4000 4000-9000 9001-14000 | More than 14000 |Frequency20 | 210 L 325 | 445If you buy a tyre of this company, what is the probability that(i) it will be replaced before it has covered 4000 km ?(ii) it will last for more than 9000 km ?(iii) it will need to be replaced after it has covered somewhere between 4000 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 tym needed to be replaced.Distance (in km) Less than 4000 4000-9000 9001-14000 \| More than 14000 \|Frequency20 \| 210 L 325 \| 445If you buy a tyre of this company, what is the probability that(i) it will be replaced before it has covered 4000 km ?(ii) it will last for more than 9000 km ?(iii) it will need to be replaced after it has covered somewhere between 4000 and 14000 km?
Answer» PROBABILITY that it will NEED to be replaced before it has covered 4000 KM = 100020 =0.02Probability that it will last more than 9000km= 1000325+445 = 1000770 =0.77Probability that it will need to be replaced after it has covered SOMEWHERE between 4000 km and 14000 km = 1000210+325 = 1000535 =0.535