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On a particular day, 40 different cars are present in a parking lot. A
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21 Aug 2023, 22:44
21 Aug 2023, 22:44
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Question Stats:
93% (02:23) correct
6% (03:30) wrong based on 29 sessions
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On a particular day, 40 different cars are present in a parking lot. All but 10 of the total cars have air conditioning. The probability of selecting a car that has both power windows and air conditioning is 0.6. if a car is selected at random, what is the probability that it will have air conditioning but not power windows?
A. 1/20
B. 2/25
C. 3/20
D. 3/10
E. 3/5
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A. 1/20
B. 2/25
C. 3/20
D. 3/10
E. 3/5
Post A Detailed Correct Solution For The Above Questions And Get Kudos.
Question From Our Project: Free GRE Prep Club Tests in Exchange for 20 Kudos
\(\Longrightarrow\) GRE - Quant Daily Topic-wise Challenge
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Re: On a particular day, 40 different cars are present in a parking lot. A
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27 Jan 2024, 23:36
27 Jan 2024, 23:36
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Here is a double matrix solution:
AC.png [ 28.54 KiB | Viewed 3000 times ]
Attachment:
AC.png [ 28.54 KiB | Viewed 3000 times ]
General Discussion
Re: On a particular day, 40 different cars are present in a parking lot. A
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15 Sep 2023, 14:40
15 Sep 2023, 14:40
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1
use a table
air no air total
power 40 * 0.6 = 24
no power 6
total 30 40
6/40 = 3/20
Choice C
air no air total
power 40 * 0.6 = 24
no power 6
total 30 40
6/40 = 3/20
Choice C
