Your school has been awarded a grant and plans to use the money to purchase smart devices for students. Write an essay in which you argue whether or not this technology purchase will improve students’ lives. Your essay must be based on ideas and information that can be found in the “Do Smart Devices Improve Student Lives?” passage set. anybody done this ???

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than 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?