Answer:
a) E(y) = 0.8
b) The average subcharge is $165
Step-by-step explanation:
We are given the following distribution in the question:
y: 0 1 2 3
P(y): 0.50 0.25 0.20 0.05
a) E(y)

b) Expected value of subcharge
Subcharge =

Expected value of subcharge =

Thus, the average subcharge is $165
Answer: By putting it on a graph
Step-by-step explanation:
Answer:
The weight can vary from 22.5 to 25.5
Your answer is 3/5, the picture below shows how sin cos tan work!