Question: For a variable X having Laplace distribution with density f(x, 0.4, 1, 2) given by (8.55), find: (i) Mean; (ii) Variance; (iii) Median; (iv) Interquartile

For a variable X having Laplace distribution with density f(x, 0.4, 1, 2) given by (8.55), find: (i) Mean; (ii) Variance; (iii) Median; (iv) Interquartile range.

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