In particular if the weight is less than or equal to

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: al to 5kg, the cost is $50. For each kilogram over 5kg, an extra cost $10 is charged (i.e. if the order is 6kg, the total cost is $60). Find out the statistics of X: (i) [3’] Find out ; (ii) [3’] Find out ; [3’] Tabulate the relationship between X and Y for 1, 2, 3, 4, 5 ; [4’] Tabulate the relationship between Y and , ignore the values with zero probabilities; Find out the statistics of the shipping cost, Y: (i) [3’] Find out ; 3 (ii) [4’] Find out VAR . Solution: According to the problem, (a) For X, we have ∑ (i) 1 0.3 2 0.25 3 0.2 4 0.15 5 0.1 2.5 2.5 0.5 ; ∑ (ii) 1 0.3 (b) We have...
View Full Document

Ask a homework question - tutors are online