Norm has $15,000 to deposit. his daughter is a junior in high school and plans to go to college. recommend the best way for norm to store his money. note that the interest rates are expressed on an annual basis. a. a four-year cd paying 4.8% interest, with a substantial penalty for early withdrawal b. an online savings account offering 2.3% interest c. a money market account paying 3.5% interest, renewable for three-month commitments d. a checking account with no monthly fees

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?