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The probability that event A occurs is p and the probability that even

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aazt
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The probability that event A occurs is p and the probability that even [#permalink] New post   25 Jun 2017, 11:06
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The probability that event A occurs is p and the probability that event B occurs is k. If event A and event B are independent, what is the probability that event A occurs but not event B?

(A) k-\(k^2\)
(B) \(k^2\)-k
(C) 2k
(D) \(k^2\)
(E) 2\(k^2\)



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Re: The probability that event A occurs is p and the probability that even [#permalink] New post   25 Jun 2017, 20:27
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aazt wrote:
The probability that event A occurs is p and the probability that event B occurs is k. If event A and event B are independent, what is the probability that event A occurs but not event B?

(A) k-\(k^2\)
(B) \(k^2\)-k
(C) 2k
(D) \(k^2\)
(E) 2\(k^2\)



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Re: The probability that event A occurs is p and the probability that even [#permalink] New post   05 Jul 2017, 09:26
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The probability that event A occurs is p and the probability that event B occurs is k. If event A and event B are independent, what is the probability that event A occurs and not event B?
a) k-k^2
b) (k^2) - k
c) 2k
d) k^2
e) 2k^2
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Re: The probability that event A occurs is p and the probability that even [#permalink] New post   09 Jul 2017, 07:36
Need help here.

I got Answer as p(1-k), which is nowhere mentioned in the answer choices. Don't know how to proceed further.
I get no information from "Independent events", its not that they are mutually exclusive.
What am I missing here? Any source to study this?
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Re: The probability that event A occurs is p and the probability that even [#permalink] New post   17 Jul 2017, 01:37
The probability that event A occurs is p and the probability that event B occurs is k. If event A and event B are independent, what is the probability that event A occurs but not event B?

A. k-(k^2)
B. (k^2)-k
C. 2k
D. k^2
E. 2k^2



Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Problem Solving (PS) Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
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Re: The probability that event A occurs is p and the probability that even [#permalink]
17 Jul 2017, 01:37
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