According to the U.S. Environmental Protection Agency, a sample of 10 subcompact models shows the following estimated values for highway fuel economy (mpg): 40, 33, 32, 30, 27, 29, 27, 23, 21, and 10. Based on this sample at least 75% of all subcompact model values for highway fuel economy (mpg) would fall within
a) (3.041, 51.359).
b) (11.094, 43.306).
c) (37.644, 92.044).
d) (19.147, 35.253).
e) none of the above.