Exhibit 8-2
a Random Sample of 121 Automobiles Traveling on an Interstate

question 48

Multiple Choice

Exhibit 8-2
A random sample of 121 automobiles traveling on an interstate showed an average speed of 65 mph. From past information, it is known that the standard deviation of the population is 22 mph.
-Refer to Exhibit 8-2. The 96.6% confidence interval for $\mu$ is

• A)63.00 to 67.00
• B)60.76 to 69.24
• C)61.08 to 68.92
• D)60.00 to 80.00

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Definitions:

Decertification Election

A formal process in which employees vote to remove the representation of a labor union in their workplace.

Permanent Strike Replacements

Refers to workers hired to replace union members on strike, often used by employers to continue operations during labor disputes.

Strikes

Work stoppages initiated by employees as a form of protest, typically aimed at winning concessions from employers regarding wages, working conditions, or other labor issues.

Permanent Strike Replacements

Workers hired on a permanent basis to take the places of striking workers, often leading to the striking workers losing their jobs permanently.