The SAT Reasoning Test is perhaps the most widely used standardized test for college admissions in the United States. Scores are
based on a normal distribution with a mean of 1,500 and a standard deviation of 300. Clinton College would like to offer an honors scholarship to students who score in the top 10% of this test. What is the minimum score that qualifies for the scholarship?
1 answer:
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T is more than -4. Remember that -4 is not included.
Remember you can do anything to an equation as long as you do it to both sides
17-9x=-3+16x
add 9x to both sides
17=-3+25x
add 3 to both sides
20=25x
divide both sides by 25
17-9x=-3+16x
add 9x to both sides
17=-3+25x
add 3 to both sides
20=25x
divide both sides by 25