Multiple Choice
A quality analyst wants to construct a sample mean chart for controlling a packaging process. He knows from past experience that whenever this process is in control, package weight is normally distributed with a mean of 20 ounces and a standard deviation of two ounces. Each day last week, he randomly selected four packages and weighed each
What is the sample mean package weight for Thursday?
A) 19 ounces
B) 20 ounces
C) 20.6 ounces
D) 21 ounces
E) 23 ounces
Correct Answer:

Verified
Correct Answer:
Verified
Q20: Inspection is a(n)_ activity.<br>A)prevention.<br>B)capability analysis.<br>C)flawless<br>D)corrective.<br>E)appraisal.
Q21: Which of the following quality control sample
Q22: A quality analyst wants to construct a
Q23: Approximately 99.7 percent of sample means will
Q24: A quality analyst wants to construct a
Q26: The output of a process may not
Q27: The amount of inspection we choose can
Q28: The range chart ( R-chart)is most likely
Q29: Control limits used on process control charts
Q30: C<sub>pk</sub> can be used only when the