The Dean of the Business School Wants to Estimate the Mean

question 89

Multiple Choice

The Dean of the Business School wants to estimate the mean number of hours worked per week by
Students. A sample of only 12 students showed a mean of 24 hours with a standard deviation of 4
Hours. Find the 95 percent confidence interval for the population mean.

• A) 21.46 and 26.54
• B) 21.17 and 26.45
• C) 22.88 and 25.12
• D) 21.07 and 26.07
• E) 21.93 and 26.07

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Definitions:

Military Coalition

An alliance formed between multiple countries or groups to achieve a common military goal, often seen in contexts of war or peacekeeping missions.

Saudi Arabia

A country in the Middle East known for its vast oil reserves, playing a significant role in global energy markets and geopolitics.

Liberate Kuwait

Refers to the military operation by coalition forces led by the United States to free Kuwait from Iraqi occupation during the Gulf War in 1991.

Saddam Hussein

The fifth President of Iraq, serving from 1979 until 2003, known for his role in the Iran-Iraq War and Gulf War.