A researcher wishes to select a random sample to estimate the mean amount of time each week that TUJ students spend with their classmates. From previous studies, the population standard deviation of the amount of time spent with friends was found to be 6.5 hours. How large a sample is required to estimate the mean amount of time spent with friends within 1.5 hours with 95% condence? USE THE TABLES POSTED IN CANVAS TO SOLVE THIS PROBLEM. Enter numeric values without units and symbols. Example: If the answer is 89 students, enter 89 as your