A company surveyed 1000 people on their age and the number of jeans purchased annually. The...

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Advance Math

A company surveyed 1000 people on their age and the number ofjeans purchased annually. The results of the poll are shown in thetable.
Jeans Purchased Annually
0 1 2 3 or More Total
Under 12 0     50     61         79   190
12-18 26     54     66         44   190
19-25 36     66     117         41   260
over 25 73     58     211         18   360
Total 135     228     455         182   1000
A person is selected at random. Compute the probability of thefollowing.

(a) The person is over 25 and purchases 3 or more pairs of jeansannually.


(b) The person is in the age group 12-18 and purchases at most 2pairs of jeans annually.


(c) The person is in the age group 19-25 or purchases no jeansannually.


(d) The person is older than 18 or purchases exactly 1 pair ofjeans annually.

	Jeans Purchased Annually
	0	1	2	3 or More	Total
Under 12	0	50	61	79	190
12-18	26	54	66	44	190
19-25	36	66	117	41	260
over 25	73	58	211	18	360
Total	135	228	455	182	1000

Answer & Explanation Solved by verified expert

4.1 Ratings (688 Votes)

JEANS PURCHASED ANNUALLYUnder0X1Y2Z3 or moreTTotal12A05061791901218B265466441901925C366611741260over 25D735821118360Total1352284551821000A person is selected at random Before solving the problem letus make some assumptions such as A B C D and X YZ T to denote each category of the persons and the purchasescategories respectively Observe the data shown in the abovetablea The Probability of a selected person is over 25 andpurchases 3 or more pairs of jeans annually is See Answer

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