# The probability of guessing the correct answer to a certain question is x/2. If the probabilityof not guessing the correct answer to the question is 2/3, then find x

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by Pulkit101

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by Pulkit101

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The Brainliest Answer!

The sum of all the probabilities is equal to 1

So, x/2 = 1 - 2/3

x/2 = 1/3

x = 2/3

So, x/2 = 1 - 2/3

x/2 = 1/3

x = 2/3

We have p(A)+p(A`)=1

given p(A)=x/2

and p(A`)=2/3

x/2+2/3=1

x=2/3

given p(A)=x/2

and p(A`)=2/3

x/2+2/3=1

x=2/3