Bags checked for a certain airline flight have a mean weight of 15 kg with a standard deviation of 4 kg. A random sample of 78 bags is drawn. What is the standard deviation of the sample mean? Select one: a. 1.8116 b. 0.0513 c. 0.2667 d. 0.2051 e. 0.4529

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Bags checked for a certain airline flight have a mean weight of 15 kg with a standard deviation of 4 kg. A random
sample of 78 bags is drawn.
What is the standard deviation of the sample mean?
Select one:
a. 1.8116
b. 0.0513
c. 0.2667
d. 0.2051
e. 0.4529
Transcribed Image Text:Bags checked for a certain airline flight have a mean weight of 15 kg with a standard deviation of 4 kg. A random sample of 78 bags is drawn. What is the standard deviation of the sample mean? Select one: a. 1.8116 b. 0.0513 c. 0.2667 d. 0.2051 e. 0.4529
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