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A die is loaded so that the probability of a face i is proportional to i where i = 1, 2, 3, 4, 5, 6. The probability of an even number occuring when die is rolled is
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a
1121
b
121
c
47
d
57
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Correct option is C
P(i)=ki ∑i=16Pi=1⇒k=121P(2)+P(4)+P(6)=12k=1221=47Similar Questions
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