Will the variable be the "part" or the "whole"? remember, earlier he said "is over of = part over whole".
1 answer:
You might be interested in
Answer:
b. $28
Step-by-step explanation:
We have these following probabilities:
0.4 = 40% probability of $40
0.2 = 20% probability of $30
0.2 = 20% probability of $20
0.2 = 20% probability of $10
The expected value is:
We multiply each value by its probability. So
So the correct answer is:
b. $28
A equation of a linear function in a standard form:
Ax + By = C