MAI391_-_FA_2023_-_FE_2020.webp

Answer (Choose 1 answer)
(See picture)
A. (ii)
B. (iii)
C. (i)
D. (iv)
Let X and Y be independent random variables, each taking the values -1, 0 or 1. Let Z = X - 5Y. How many possible values does Z have?
(i) 9
(iv) 6
(iii) 7
(ii) 8

the exam.