Answers

2016-04-03T20:21:09+05:30
We know that P(E)+P(E¹)=1
So,x/2+3x/2=1
⇒4x/2=1
⇒4x=2
⇒x=2/4
⇒x=1/2

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2016-04-04T02:58:45+05:30
So, the probability of any event = 1.

1 = x/2 + 3x/2
1 = 4x/2
1 × 2 = 4x 
x = 2/4
x = 0.5

So, x = 0.5 or x = 1/2.
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