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If the probability that a certain event occur is p, what is the value

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If the probability that a certain event occur is p, what is the value  [#permalink]

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New post 26 Sep 2016, 16:34
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If the probability that a certain event occur is p, what is the value of p?

(1) The probability that the event will occur is twice the probability that the event will not occur

(2) The probability that the event will not occur is less than 0.4
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Re: If the probability that a certain event occur is p, what is the value  [#permalink]

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New post 28 Sep 2016, 21:44
How do we know what the actual value is?
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Re: If the probability that a certain event occur is p, what is the value  [#permalink]

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New post 08 Nov 2016, 07:57
Statement1 P=1-p
2p=1
p=1/2 sufficient

Statement : of course infinite values are possible.

20 sec question YAY
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Re: If the probability that a certain event occur is p, what is the value  [#permalink]

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New post 26 May 2017, 04:11
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If Probability that the event occurs = p
Probability that the event does not occur = 1-p

From S1: p = 2 (1-p)
or p = 2-2p
or 3p = 2
or p = 2/3

Sufficient

S2: 1- p <0.4
Hence, p >0.6
Since, p can take different values ranging from >0.6 to 1, no unique value. hence, Insufficient

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Re: If the probability that a certain event occur is p, what is the value  [#permalink]

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New post 30 May 2018, 21:10
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Re: If the probability that a certain event occur is p, what is the value &nbs [#permalink] 30 May 2018, 21:10
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