respectively; the sample mean and sample standard deviation on your statistics examination were 40 and
15, respectively. You scored 90 on the economics exam and 72 on the statistics exàm. Assuming that the
two histograms of test scores are approximately normal histograms,
a. on which exam was your percentile score highest?
b. approximate the percentage of the scores on the economics exam that were below your score.
c. approximate the percentage of the scores on the statistics exam that were below your score.