Essay
The amount of time to complete a particular exam is believed to have a mean of 52 minutes and a standard deviation of 4.8 minutes. A sample of 36 students was selected and their times to finish the exam recorded.
Is the sampling distribution of the sample mean approximately normal?
______________
What is the mean?
______________
What is the standard deviation?
______________
What is the probability this sample produces an average of less than 50 minutes?
______________
If the sample mean 
is actually 50 minutes, is it likely that 
= 52?
______________
Explain.
________________________________________________________
Correct Answer:
Verified
Yes; 52; 0.80; 0.006...View Answer
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Correct Answer:
Verified
View Answer
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