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Percentages, Probability

Author Message
Intern
Joined: 26 Apr 2018
Posts: 39

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30 Jul 2018, 05:26
00:00

Difficulty:

(N/A)

Question Stats:

100% (04:35) correct 0% (00:00) wrong based on 1 sessions

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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%
Math Expert
Joined: 02 Sep 2009
Posts: 52284

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30 Jul 2018, 05:29
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%

1. Please re-post in PS forum.

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Re: Percentages, Probability &nbs [#permalink] 30 Jul 2018, 05:29
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