Math 128b, Section 3
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Please show all your work on these pages.
Formulas are on the last page. You may use a calculator.
Question
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100
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1. Manufacturing a good has a fixed cost of $600 thousand plus a
Math 128b, Section 3
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Final Examination
Please show all your work on these pages.
Formulas are on the last page. You may use a calculator.
Question
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100
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1
1. A s
Math 128b SOLUTIONS TO FINAL EXAM, Section 3
1.
9.50 + 7.75 + 10.50
= $9.25.
3
(b) Standard deviation =
1
9.50 9.25) 2 + (7.75 9.25) 2 + (10.50 9.25) 2 = $1.39 .
2
(c) (i) If the $7.75 is replaced by a larger value, the mean wage will increase.
(ii) What
Math 128b, Section 2
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Final Examination
Four digit PIN number if you want your grade
Please show all your work.
Formulas are on the last page. You may use a calculator.
Have a great summer!
Question
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Math 128b, Section 3
Name_
Please show all your work on these pages.
Formulas are on the last page.
Question
1
2
3
4
5
6
7
8
9
Total
Points
12
10
10
8
10
10
12
12
16
100
Score
1
1.
You want to approximate the area under the graph of f(x) = x3 between x =