The college board reported the following mean scores for the three
The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almanac, 2009): Assume that the population standard deviation on each part of the test is standard deviation= 100.What is the probability a sample of 90 test takers will provide a sample mean test score within 10 points of the population mean of 502 on the Critical […]