Help! how can i determine the range
2 answers:
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Answer:
The sample of students required to estimate the mean weekly earnings of students at one college is of size, 3458.
Step-by-step explanation:
The (1 - <em>α</em>)% confidence interval for population mean (<em>μ</em>) is:
The margin of error of a (1 - <em>α</em>)% confidence interval for population mean (<em>μ</em>) is:
The information provided is:
<em>σ</em> = $60
<em>MOE</em> = $2
The critical value of <em>z</em> for 95% confidence level is:
Compute the sample size as follows:
Thus, the sample of students required to estimate the mean weekly earnings of students at one college is of size, 3458.
The appropriate choice is ...
C. The slope of the first equation is not graphed the right way.
A correct graph is shown below.
C. The slope of the first equation is not graphed the right way.
A correct graph is shown below.