Lisa wants to buy a new purse. the four criteria that are important to lisa in a new purse are color, durability, brand name prestige, and style. the three brands that lisa is considering are fendi, gucci, and louis vuitton. her ratings and importance weights are measured on a scale from 1 to 10, with 1 being the lowest and 10 being the highest. what promotional strategy should fendi's management pursue to convince lisa to purchase a fendi purse?

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?