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 \(> 9.1 \%\)

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