tshego944 tshego944

02-05-2018
Mathematics

contestada

A quiz consists of two multiple-choice questions. the first question has a total of 7 possible answers followed by the second question which has a total of 3 possible answers. if both questions are answered with random guesses,

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Skøll1922 Skøll1922

04-05-2018

the probability to answer both correctly is 1/7(1/3)=1/21, if that was the question.

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