Psycseption 02/03 Test 1 name page 8 *19. You manage a large library. You want to keep wait times for patrons checking out less than 60 seconds at least 90% of the time. If the mean time to wait is 48 seconds (st dev = 6) what percentage of time will patrons have to wait longer than 60 seconds? Do you achieve your goal? (8 marks) *20. You are shopping for new tires. You buy a trade magazine that evaluates tires to help you in your decision. Unfortunately you left the magazine on the coffee table and you dog chewed it up. The information on the tires you are interested in was mostly destroyed, but you do find the following information. On one