The probability of guessing the correct answer to a certain question is 2. If the probability of not guessing the correct answer to the question is 35 , find x.
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Answer:
The probability of guessing the correct answer to a certain question is 2. If the probability of not guessing the correct answer to the question is 35 , find x.
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Explanation:
Sum of both probabilities should be 1 then
2
x
+
3
2
=1
3x+4=6
3x=2
x=
3
2
.
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