A doctor is studying the amount of time their patients exercise each week. It is known that the average amount of time an adult exercises per week is 9.7 hours. After talking to their patients, the doctor believes the average amount of time an adult exercises per week is different. A doctor is studying the amount of time their patients exercise each week. It is known that the average amount of time an adult exercises per week is 9.7 hours. After talking to their patients, the doctor believes the average amount of time an adult exercises per week is different. What are the hypotheses? Fill in the blanks with the correct symbol (=#,<, or >) to represent the correct hypothesis. Sorry, that's incorrect. Try again? null hypothesis: u = 9.7 alternative hypothesis : > 9.7