8. A college student is doing research on the cost of one-bedroom apartments in town. He has randomly selected 25 apartments for which the rental price is published. Based on the sample, the 95% confidence interval for the mean price of one-bedroom apartments in town is found to be ($630.44, $673.56). Graphical assessment of his data shows that assuming the data are normally distributed is a feasible assumption. Which of the following statements is true?

Group of answer choices

All of the above

A test of the hypothesisH0: =675vsHa: 675would be rejected at the 5% significance level.

A test of the hypothesis H0: =650 vs Ha: >650 would be rejected at the 5% significance level.

A test of the hypothesisH0:=650vsHa: 650would be rejected at the 5% significance level.