Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 78.9 Mbps. The complete list of 50 data speeds has a mean of x = 16.7 Mbps and a standard deviation of s = 40.66 Mbps.

The answer is c because you turn 17.5% into a decimal which gives you .175 then you times that by $361.35 which gives you 63.23625 but then you round that which gives you 63.24. then you at 63.24 pulse 361.35 and you round it which gives you $425