jfox8741
06.01.2020 •
Mathematics
Teresa ran for president of the chess club, she received 76 votes . there were 95 members in the club . what percentage of the club members voted for teresa ?
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Ответ:
P(B) = 1/3 => P(B') = 1 - 1/3 = 2/3
(B' is complement of B)
Using the Bayes theorem:
P(A|B') x P(B') = P(A intersect B')
=>P(A|B') = P(A intersect B)/P(B) = (4/9)/(2/3) = 2/3
=> Option A is correct.
Hope this helps!
:)