A well known Dr. claims that population gets, on average, more than 8 hours of sleep. So then a study was conducted on a sample of 24 different people, and observed that the mean hours of sleep was 8.3, with a standard deviation of 0.5.

So answer the following questions to test the doctor's claim using an? = 0.01 level of significance.

Round all final answers to 3 decimal places where appropriate.

(a) State the null and alternative hypotheses, and identify which one is the claim.

Select from the drop and fill the number to 3 decimal places:

Ha ____ __ _______

H0 ____ __ _______

Ho: Select an answer v V Select an answer ? X J S S 2Ha: Select an answer V ? v Select an answer ? S X > 2