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zSAT scores (math and verbal combined) are approximately normally distributed wi

ID: 3290897 • Letter: Z

Question

zSAT scores (math and verbal combined) are approximately normally distributed with a mean of 1000 and a standard deviation of 141.42. Former President George Walker Bush had an SAT score (math and verbal combined) 1.46 standard deviations above average. Approximately what was President Bush’s SAT score?

d.1280

zSAT scores (math and verbal combined) are approximately normally distributed with a mean of 1000 and a standard deviation of 141.42. Former President George Walker Bush had an SAT score (math and verbal combined) 1.46 standard deviations above average. Approximately what was President Bush’s SAT score?

a.794 b.1001 c.1206

d.1280

Explanation / Answer

Given that bush had an SAT score 1.46 standard deviation above the average

i.e score =average+ 1.46*standard deviation

=1000 + 1.46*141.2 =1206.152

Answer C is correct

Score=1206