The auto repair shop of quality motor company uses standards to control the labor time and labor cost in the shop, thestandard labor cost for a motor tune-up is given below: job standard standard standardhours rate costmotor tune-up s 9.00 s 2250the record showing the time spent in the shop last week on motor tune-ups has been misplaced. however, the shopsupervisor recalls that 50 tune

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends > a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?