The owner of a fitness center wants to compare the time his customers spend on each ao visit to his center during working hours and the time they I on each visit outside of working hours. He conducted a survey on his customers. The following table records the summary of his findings.onsoll siti 10l levisini sonobilnos 20 Suspend Joq diw asia ad no boend Time Period 150 During working hours Outside working hours Sample size om tonsid (number of customer) 21 Mean time spent (in hours) 100 251 01 numotni 29lama 50 Vialsz le 58.000,862 mont 1.97 37 3.05 Standard deviation 20.65 6.02 a. Determine if the customers spent less than 2 hours per visit during working hours at a 5% significance level. b. Determine if the customers spent more than 2.5 hours Ditai per visit outside of working hours at a 5% significance level.