The table shown represents a relation between x and y. Which statement about the relation is true? A. Because each value in the range is paired with exactly one value in the domain, the relation is function

B. Because each value in the domain is paired with exactly one value in the range, the relation is a function

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?