Time spent using e-mail per session is normally distributed with a mean = to 8 minutes and standard deviation = 2minutes. If a r
andom samples of 36 sessions were selected, the computed sample standard deviation would be
a. 0.25
b. 0.3333
c. 0.42
d. 0.48
1 answer:
Answer:
The correct option is (b) 0.3333.
Step-by-step explanation:
The standard deviation of the sampling distribution of sample mean is known as the standard error .
The standard error is given as follows:
The information provided is:
Compute the standard deviation of the sample mean as follows:
Thus, the standard deviation of the sample mean is 0.3333.
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