d. What control limits would give an alpha risk of .03 for this process? (Round your intermediate calculations to 4 decimal places. Round your "z" value to 2 decimal places and other answers to 4 decimal places.) Z= z = e. What alpha risk would control limits of .0470 and .0122 provide? (Round your intermediate calculations to 4 decimal places. Round your "z" value to 2 decimal places and "alpha risk" value to 4 decimal places.) yes 3.00 alpha risk = no 0.0296 to f. Using control limits of .0470 and .0122, is the process in control? 0.0116 Mean Standard deviation g. Suppose that the long-term fraction defective of the process is known to be 2 percent. What are the values of the mean and standard deviation of the sampling distribution? (Round your intermediate calculations and final answers to 2 decimal places.)
d. What control limits would give an alpha risk of .03 for this process? (Round your intermediate calculations to 4 decimal places. Round your "z" value to 2 decimal places and other answers to 4 decimal places.) Z= z = e. What alpha risk would control limits of .0470 and .0122 provide? (Round your intermediate calculations to 4 decimal places. Round your "z" value to 2 decimal places and "alpha risk" value to 4 decimal places.) yes 3.00 alpha risk = no 0.0296 to f. Using control limits of .0470 and .0122, is the process in control? 0.0116 Mean Standard deviation g. Suppose that the long-term fraction defective of the process is known to be 2 percent. What are the values of the mean and standard deviation of the sampling distribution? (Round your intermediate calculations and final answers to 2 decimal places.)
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Transcribed Image Text:d. What control limits would give an alpha risk of .03 for
this process? (Round your intermediate calculations to 4
decimal places. Round your "z" value to 2 decimal places
and other answers to 4 decimal places.)
Z=
e. What alpha risk would control limits of .0470 and .0122
provide? (Round your intermediate calculations to 4
decimal places. Round your "z" value to 2 decimal
places and "alpha risk" value to 4 decimal places.)
3.00 alpha risk =
yes
O no
0.0296 to
0.0116
f. Using control limits of .0470 and .0122, is the process in
control?
Mean
Standard deviation
g. Suppose that the long-term fraction defective of the
process is known to be 2 percent. What are the values of
the mean and standard deviation of the sampling
distribution? (Round your intermediate calculations and
final answers to 2 decimal places.)
Transcribed Image Text:12:57
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Chapter 10 Assignment i
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Problem 10-5 (Algo)
Using samples of 194 credit card statements, an auditor
found the following:
Use Table-A.
Click here for the Excel Data File
Sample
1
2
3
4
1 2 3 4
4 6 5 8
Fraction defective
0.0206
0.0300
0.0250
0.0410
Mean
Standard deviation
AA
a. Determine the fraction defective in each sample. (Round
your answers to 4 decimal places.)
3.0 %
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Ć
b. If the true fraction defective for this process is unknown,
what is your estimate of it? (Round your answer to 1
decimal place.)
Estimate
0.0296
0.0116
c. What is your estimate of the mean and standard
deviation of the sampling distribution of fractions defective
for samples of this size? (Round your intermediate
calculations and final answers to 4 decimal places.)
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