The combined scores of the almost 1.7 million high school seniors taking the SAT in...
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The combined scores of the almost 1.7 million high school seniors taking the SAT in 2013 were approximately Normal with mean 1011 and standard deviation 216. According to the 68-95-99.7 Rule, what percent of high school seniors had SAT scores between1011 - 216 = 795and1011 + 216 = 1227?99.7%95%68%all of them.
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