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3.(ii) A die has two faces each with number ‘1’, three faces each with number ‘2’ and one face with number ‘3’. If die is rolled once, determine
(ii) P(1 or 3)
Answers (1)
Total number of faces of a die = 6
(ii) P (1 or 3) = P (not 2) = 1 − P (2)
Therefore, required probability P(1 or 3) is 0.5
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