Exhibit 16

question 45

Multiple Choice

Exhibit 16.5 A researcher wished to estimate the proportion of all families who go to the movies at least once a month.He wished the estimate to be accurate within plus or minus 4 percentage points and further desired a 95 percent confidence interval (z = 2) around the result.Additionally,he estimates the population proportion as 0.30.
Refer to Exhibit 16.5.After the households were surveyed,the sample proportion of households using liquid soap was determined to be 0.2.The precision at the 95% confidence level is + or -

• A)0.028 percentage points.
• B)0.032 percentage points.
• C)0.040 percentage points.
• D)0.057 percentage points.
• E)0.141 percentage points.

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Definitions:

Tracking System

A method or technology used to monitor and record the movement or progress of objects, people, or information.

Liquidity Ratio

A financial metric used to determine an entity's ability to pay off its short-term obligations with its liquid assets.

Asset Management Ratio

Financial ratios that measure how effectively a company manages its assets to produce sales and maximize profitability.

Leverage Ratio

A financial metric indicating the level of debt relative to equity or assets, used to assess a company's ability to meet financial obligations.