A box-and-whisker plot. The number line goes from 10 to 65. The whiskers range from 15 to 60, and the box ranges from 40 to 50. A line divides the box at 45. Between which two values would 50% of the data be? Select all that apply. 15 and 40 15 and 45 40 and 50 45 and 50 45 and 60

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?