2 Points
Which is a true statement about an exterior angle of a triangle?
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O A. It is complementary to one of the interior angles of the triangle.
B. It forms a linear pair with one of the interior angles of the triangle.
C. It is formed by two segments that are not sides of the triangle.
D. It is formed by two segments that are sides of the triangle.

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?