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

Question

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?

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

Quizplus · Accepted Answer

The Answer of 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

A Quality Analyst Wants to Construct a Sample Mean Chart