Q1. Formulating hypotheses for one-sample hypotheses tests. Data have been collected from a sample of customers who have visited a restaurant during the past month.

a. The restaurant owner believes that the average profit per customer exceeds $25. Formulate the null hypothesis (H0) and the alternative hypothesis (H1) to determine if the data support the restaurant owners claim.

b. The business manager believes that average profit per customer is less than $25. Formulate the null hypothesis (H0) and the alternative hypothesis (H1) to determine if the data support the restaurant owners claim.

c. A marketing research firm reports that the average profit per customer equals $25. Formulate the null hypothesis (H0) and the alternative hypothesis (H1) to determine if the data support the restaurant owners claim.