:7. For the first-year students at a certain law school, the
correlation between LSAT scores and first-year scores was 0.60.
Consider a first-year student whose percentile rank on the LSAT
(among his classmates) was 90%. The best estimate of his
percentile rank on the first year scores is closest to
a. 10%

b. 20%

c. 40%

d. 80%

e. 100%

(Assume that the scatter diagram is homoscedastic and football-
shaped, with the distributions of all scores approximately
normal)