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# If a bottle is to be selected at random from a certain

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Intern
Joined: 08 Nov 2005
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If a bottle is to be selected at random from a certain [#permalink]  10 Feb 2006, 14:15
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If a bottle is to be selected at random from a certain collection of bottles, what is the probability that the bottle will be defective?
(1) The ratio of the number of bottles in the collection that are defective to the number that are not defective is 3:500.
(2) The collection contains 3,521 bottles
Senior Manager
Joined: 11 Nov 2005
Posts: 332
Location: London
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A.

Stat 1 alone is sufficinet, p=3/503.

Stat2 is not sufficient, we do not know the number of defective/non defective.
Current Student
Joined: 29 Jan 2005
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The question asks for a ratio, not an actual number.

(A)
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