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 (i) P(2) (ii) P(1 or 3) (iii) P(not 3)
Answer:
Total faces in a die = 6
Number of faces with number 1 = 2
Number of faces with number 2 = 3
Number of faces with number 3 = 1
1. P(2) = 2/6 = 1/3
2. P(1 or 3) = 2/6 + 1/6 = 3/6 = 1/2
3/ P(not 3) = 1-(1/6) = 5/6
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