The time necessary to complete an examination has a mean of 45 minutes and a standard deviation of 4 minutes. The average time necessary for 64 randomly selected students is computed.
What is the mean of the sampling distribution of 
?
______________
What is the standard deviation of the sampling distribution of 
?
______________
Can we say that the sampling distribution of 
is approximately normally distributed?
______________
Why?
________________________________________________________
Definitions:
Interval Measure
A financial metric used to determine a company’s ability to meet its short-term obligations without needing additional cash inflows.
Operating Expenses
The costs associated with running a company’s day-to-day operations, such as rent, utilities, and wages.
Current Assets
Assets that are expected to be converted into cash or used up within one year or one business cycle, whichever is longer.
Equity Multiplier
The equity multiplier is a financial leverage ratio that measures the proportion of a company's total assets financed by shareholders' equity, used to evaluate financial risk.
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