Use a Modern Software Tool to Perform Statistical Calculations Mr Coppell Hires 6 Permanent Employees and Wants to Staff

question 7

Multiple Choice

Use a modern software tool to perform statistical calculations.
Use the table below to answer the following question(s) using the standard Solver.
Coppell Services contracts with outsourcing partners to handle various customer service functions. Based on a study of call volumes provided by one of the firm's partners, the minimum number of staff needed for each hour of the day is as follows: $$\begin{array} { | l | l | } \hline \text { Hour } & \text { Minimum Staff Required } \\\hline 8 - 9 & 6 \\\hline 9 - 10 & 10 \\\hline 10 - 11 & 12 \\\hline 11 \text {-noon } & 10 \\\hline \text { noon-1 } & 8 \\\hline 1 - 2 & 16 \\\hline 2 - 3 & 15 \\\hline 3 - 4 & 20 \\\hline 4 - 5 & 15 \\\hline\end{array}$$ Mr. Coppell hires 6 permanent employees and wants to staff the remaining requirements using part-time employees who work 4-hour shifts (four consecutive hours starting as early as 8 A.M. or as late as 1 P.M.) .
-Which of the following best defines a binary variable?

• A) It is a general integer variable that is restricted to being between -1 and 1.
• B) It is a general integer variable that is restricted to being a multiple of 2.
• C) It is a general integer variable that is restricted to being between 0 and 1.
• D) It is a general integer variable that is restricted to being greater than 2.

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Definitions:

Confidence Interval

A spectrum of values, extracted from statistics of a sample, presumed to hold the value of a not-yet-known population characteristic, assured with a particular degree of confidence.

Sample Size

The number of observations or data points that are included in a statistical sample.

Confidence Interval

A confidence interval is a range of values, derived from sample data, that is likely to contain the value of an unknown population parameter.

Point Estimate

A single value given as an estimate of a population parameter that is unknown, typically derived from a sample.