The Contingency Table Below Shows the Results of a Random $E _ { 22 }$

question 28

Multiple Choice

The contingency table below shows the results of a random sample of 200 state representatives that was conducted to see whether their opinions on a bill are related to their party affiliations.
Assuming the row and column classifications are independent, find an estimate for the expected Cell count $E _ { 22 }$ $$\begin{array} { l | c c c } & { \text { Opinion } } \\\hline \text { Party } & \text { Approve } & \text { Disapprove } & \text { No Opinion } \\\text { Republican } & 42 & 20 & 14 \\\text { Democrat } & 50 & 24 & 18 \\\text { Independent } & 10 & 16 & 6\end{array}$$

• A) 17.48
• B) 27.6
• C) 22.8
• D) 46.92

Calculate average line lengths in a manufacturing plant repair process using arrival and wait times.

Determine service factors and performance measures (average waiting time, average number being serviced, average number running) for finite population models.

Analyze service systems to calculate probabilities related to service availability and busyness.

Estimate arrival rates given average wait times and customer line lengths.

---

Definitions:

Centralized Bank Account

A single bank account used by a company to manage and control all payments and receipts, simplifying cash management.

Adjustment Costs

Expenses incurred from making changes to a business, such as restructuring operations or relocating facilities.

Marketable Securities

Short-term financial instruments that can be quickly converted into cash at a reasonable price, like stocks and bonds.

Treasury Bill

A short-term government security issued at a discount from the face value and pays no interest.