The map shows the distance in air miles from City A to both City B and City C. City B
49 miles
N
City A 66 miles City C
Which of the following could be the distance between City B and City C in air miles?
O 114 miles
O 116 miles
O 118 miles
120 miles

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?