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probability

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Re: probability

by El Cucu » Tue Mar 31, 2009 5:31 pm
baller12q wrote: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

Not occur =1-Occur

No S = 1-Y

IMO E




explain the anwser please !
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Re: probability

by vittalgmat » Tue Mar 31, 2009 11:43 pm
baller12q wrote: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




explain the anwser please !
Hi Baller12q,
Pls include the OA within the spoilers as well. That way we dont have to wait for your confirmation.

thanks
-V
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by sacx » Wed Apr 01, 2009 1:51 am
Probabilty of an event occuring + probability of an event NOT occuring = 1

P(S) + 1 - Y = 1
P(S) = Y

E
SACX
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by mike22629 » Wed Apr 01, 2009 8:26 am
Thats how I did it sacx.
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