Describe the Sampling Distribution of a Sample Proportion
-According to a Study

question 11

Multiple Choice

Describe the Sampling Distribution of a Sample Proportion
-According to a study conducted in one city, $36 \%$ of adults in the city have credit card debts of more than $\$ 2000$ . A simple random sample of $\mathrm { n } = 100$ adults is obtained from the city. Describe the sampling distribution of $\hat { \text { p} }$ , the sample proportion of adults who have credit card debts of more than $\$ 2000$ .

• A) Approximately normal; \(\mu _ { \mathrm { p } } = 0.36 , \sigma _ { \mathrm { p } } = 0.048\)
• B) Exactly normal; \(\mu _ { \mathrm { p } } = 0.36 , \sigma _ { \mathrm { p } } = 0.048\)
• C) Approximately normal; \(\mu _ { \mathrm { p } } = 0.36 , \sigma _ { \mathrm { p } } = 0.0023\)
• D) Binomial; \(\mu _ { \mathrm { p } } = 36 , \sigma _ { \mathrm { p } } = 4.80\)

Understand the basic concepts and calculations related to correlation coefficients.

Identify the appropriate test statistics and their significance in testing correlations.

Distinguish between directional and nondirectional hypotheses in correlation studies.

Recognize the importance and interpretation of significance levels (Type I error) in correlation analysis.

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Definitions:

Tariff

A governmental policy tool used to control the flow of international trade through taxes on imports and exports.

Saddles Imported

The act of bringing in saddles from foreign countries for sale within the domestic market.

Quantity

The amount or number of a material or immaterial good or service.

Tariff

A tax imposed by a government on imported goods, often used to protect domestic industries and adjust trade balances.