The probability distribution associated with these data

Reference no: EM1316617

Basic probability - set theory.

In a survey conducted to see how long Americans keep their cars, 2000 automobile owners were asked how long they plan to keep their present cars. The results of the survey follow. Find out the probability distribution associated with these data.

Years Car Is Kept, x	Respondents	Probability
0 ≤x < 1	70	[ ]
1 ≤x < 3	450	[ ]
3 ≤x < 5	295	[ ]
5 ≤x < 7	350	[ ]
7 ≤x < 10	245	[ ]
10 ≤ x	590	[ ]

What is the probability that an automobile owner selected at random from those surveyed plans to keep his or her present car

(a) Less than five yearr?

(b) Three year or more?

Reference no: EM1316617

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