Aprofessor of statistics wants to test that the average amount of money a typical college student spends per day during spring break is over $70. based upon previous research, the population standard deviation is estimated to be $17.32. the professor surveys 35 students and finds that the mean spending is $72.43. which of the following statements is most accurate? select one: a. reject the null hypothesis at ? = 0.01 b. reject the null hypothesis at ? = 0.10 c. fail to reject the null hypothesis at ? ? 0.10 d. reject the null hypothesis at ? = 0.05