The LOAF test (opposite of the ACT?) has a mean score of 1000, a SD of 200, and a median of 210.


a.  According to the empirical rule, about what percentage of people scored between 1000 and 1200?

b.  According to the empirical rule, about what percentile is a person that scored 1200?  How about 1400?

c.  According to Chebyshev's Theorem, what percentage of people is guaranteed to have scored between 600 and 1400?