GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
A machine is made up of two components, A and B. Each compon
[#permalink]
11 Jul 2019, 06:15
11 Jul 2019, 06:15
Expert Reply
1
Bookmarks
00:00
A
B
C
D
E
Question Stats:
55% (01:01) correct
44% (01:04) wrong based on 45 sessions
Show timer Statistics
A machine is made up of two components, A and B. Each component either works or fails. The failure or non-failure of one component is independent of the failure or non-failure of the other component. The machine works if at least one of the components works.
If the probability that each component works is 23, what is the probability that the machine works?
A. 19
B. 49
C. 12
D. 23
E. 89
If the probability that each component works is 23, what is the probability that the machine works?
A. 19
B. 49
C. 12
D. 23
E. 89
Re: A machine is made up of two components, A and B. Each compon
[#permalink]
12 Jul 2019, 00:11
12 Jul 2019, 00:11
Carcass wrote:
A machine is made up of two components, A and B. Each component either works or fails. The failure or non-failure of one component is independent of the failure or non-failure of the other component. The machine works if at least one of the components works.
If the probability that each component works is 23, what is the probability that the machine works?
A. 19
B. 49
C. 12
D. 23
E. 89
If the probability that each component works is 23, what is the probability that the machine works?
A. 19
B. 49
C. 12
D. 23
E. 89
Here,
The probability of the machine doesn't work = 1−23=13
Probability that neither A nor B are working = 13∗13=19
Probability that machine works = 1−19=89
Re: A machine is made up of two components, A and B. Each compon
[#permalink]
24 Jun 2021, 05:59
24 Jun 2021, 05:59
Hello from the GRE Prep Club BumpBot!
Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
