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15 Oct 2019, 08:17
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
95% (00:24) correct
5%
(00:58)
wrong
based on 505
sessions
History
Date
Time
Result
Not Attempted Yet
If the probability that event S will not occur is 1 - y, then the probability that event S will occur is
A. y^2 − 1
B. y^2
C. y/2
D. y - 1
E. y
A. y^2 − 1
B. y^2
C. y/2
D. y - 1
E. y
15 Oct 2019, 09:04
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Bunuel
If the probability that event S will not occur is 1 - y, then the probability that event S will occur is
A. y^2 − 1
B. y^2
C. y/2
D. y - 1
E. y
A. y^2 − 1
B. y^2
C. y/2
D. y - 1
E. y
event occur + not occur = 1
event occur = 1-1+y ; y
IMO E
saukrit
Joined: 05 Jul 2018
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15 Oct 2019, 11:53
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1-(1-y)=y. Hence E
