(i) Find the mean of X (ii) Find the variance of X
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The probability distribution of X is given as:
f(x) = { 0.2; x = 1
(x-1)/2; 1 < x < 2
(3-x)/2; 2 ≤ x < 3
0.3; x = 3
0; elsewhere]
(i) Find the
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