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
D and E —> substitute the x or y of the point given into the functions to test if it is correct
Answer:
4/3
Step-by-step explanation:
This is just one of the ways you can do it
find the decimal or divide each fraction
so for the first one 4/3
4 divide by 3 is 1.33333
while 4 divide by 4 is 1
Compare
1.333333 and 1
Of course, 1.33333 is bigger than 1
so 4/3 is the correct answer
Hope this helps :)
Answer:
16%
Step-by-step explanation:
The data provided on brand purchased by age group is.

A total of 50 cars were sold this month.
Since the number of buyers 40 years or older that purchased a Honda is 8, the percentage is:

16% of buyers were 40 years or older and purchased a Honda.
The answer is c
Ok please thanks me if I’m correct
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