Practice question
Question
A man speaks the truth 2 out of 3 times. He picks one of the natural numbers in the set S = 1, 2, 3, 4, 5, 6, 7 and reports that it is even. The probability that it is actually even is
Explanation
Let's break it down: we verify 35 by full calculation: use standard identity, substitute, simplify step by step to reach 35.
Discussion
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