A Hypothesis Test Is to Be Performed $9.1 \%$
A) Null Hypothesis: Proportion of Castletown Children with Asthma

question 231

Multiple Choice

A hypothesis test is to be performed. State the null and alternative hypotheses.
-An environmental group believes that the health of the residents of Castletown is adversely affected by the oil refinery in their town. It believes that in Castletown, the proportion of children who suffer from asthma is higher than the nationwide proportion of $9.1 \%$ .

• A) Null hypothesis: proportion of Castletown children with asthma \(> 9.1 \%\)
• Alternative hypothesis: proportion of Castletown children with asthma \(= 9.1 \%\)
• B) Null hypothesis: proportion of Castletown children with asthma \(< 9.1 \%\)
• Alternative hypothesis: proportion of Castletown children with asthma \(> 9.1 \%\)
• C) Null hypothesis: proportion of Castletown children with asthma \(= 9.1 \%\)
• Alternative hypothesis: proportion of Castletown children with asthma \(\geq 9.1 \%\)
• D) Null hypothesis: proportion of Castletown children with asthma \(= 9.1 \%\)
• Alternative hypothesis: proportion of Castletown children with asthma \(> 9.1 \%\)

---

Definitions:

Business Strategy

A plan of action or series of decisions that helps a company achieve its business goals and objectives.

Competitive Strategy

An approach a business adopts to distinguish itself from competitors and achieve a superior position in the market, often involving pricing, product differentiation, and market segmentation strategies.

Environmental Strategy

A plan of action aimed at managing the impact of an organization's activities on the natural environment.

Functional Strategy

Detailed plans aimed at achieving the strategic objectives set for specific departments or functions within an organization.