Question

Select the correct answer.
Which of the following is a continuous random variable?

A.
the number of employees in an office

B.
the salaries of employees in an office

C.
the number of printers in an office

D.
the number of phone calls made daily from an office

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Answer 1

B. The salaries of employees in an office — salaries can take a continuum of values (modeled as real numbers), whereas the others are count variables (discrete).