題組內容

3. (5% each, 15% in total) Let X be the number of accesses at a website in a day. Suppose that X is the Poisson random variable with mean $\alpha$.

(c) Suppose that each access at the website consumes a power of \( c \) units, i.e., \( c \cdot X \) units of power consumption in that day. What is the expected power consumption in that day?