1 25 25 05 ii 1 03 b we have 4 025 20 50 9 02 16 015

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Unformatted text preview: 4 0.25 20 , 50, 9 0.2 16 0.15 0.1 2.5 25 8 0.5 ; 2 , so the relationship between X and Y can be 2 tabulated as belows, X 1 2 3 4 5 Y 50[0.5’] 50[0.5’] 60[1’] 80[0.5’] 100[0.5’] can be listed as belows, (c) The relationship between Y and y 50 60 80 100 0.55[1’] 0.2[1’] 0.15[1’] 0.1[1’] (d) For Y, we have ∑ (i) 2 50 0.55 60 0.2 80 0.15 100 0.1 61.5 1 ; ∑ 0.5 50 0.55 60 0.2 80 0.15 100 0.1 4055 0.5 , ∑ 0.5 50 0.55 60 0.2 80 0.15 100 0.1 1 2.21735 (ii) 2.21735 10 0.5 , therefore VAR 107 4055 5730475 1 . 3. [20 Marks] A continuous random variable also continuous: has the following...
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