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Percentages, Probability

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Joined: 26 Apr 2018
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Percentages, Probability  [#permalink]

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New post 30 Jul 2018, 06:26
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A car dealer has a large inventory of cars of which 25 percent are red, 15 percent are blue, 30 percent are black and the remainder are other colors. For each color of car, 70 percent are equipped with automatic transmission and of these, 20 percent have air-conditioning. What is the probability that a car chosen at random will not be black and will have both automatic transmission and air-conditioning?

(A) 9.8%
(B) 14%
(C) 30%
(D) 70%
(E) 90.2%
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Re: Percentages, Probability  [#permalink]

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New post 30 Jul 2018, 06:29
bettatantalo wrote:
A car dealer has a large inventory of cars of which 25 percent are red, 15 percent are blue, 30 percent are black and the remainder are other colors. For each color of car, 70 percent are equipped with automatic transmission and of these, 20 percent have air-conditioning. What is the probability that a car chosen at random will not be black and will have both automatic transmission and air-conditioning?

(A) 9.8%
(B) 14%
(C) 30%
(D) 70%
(E) 90.2%


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Re: Percentages, Probability &nbs [#permalink] 30 Jul 2018, 06:29
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