Question

4.
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 Kms less than 4000 4000 to 9000
4000 to 9000 9001 to 14000 more than 14000
1000 49
445
frequency
20
210
325
If you buy a tyre of this company, what is the probability that:
(i) It will need to be replaced before it has covered 4000 km?
(ii) It will last more than 9000 km?
(iii) It will need to be replaced after it has covered somewhere between 4000 km
and 14000 km?​
full explanation

Answer 1

Answer:

THE CORRECT ANSWER IS

Step-by-step explanation:

CASES = 1000

DISTANCE = 4000

210