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7The verbal subscale of the SAT has a normal distribution with = 500 and =100.If one student is selected at random, what is the probability

7The verbal subscale of the SAT has a normal distribution with = 500 and =100.If one student is selected at random, what is the probability that his or her SAT verbal scores will be:

a.400 or higher?

b.Between 350 and 650?

c.What score separates the top 10% of the students taking this test from the bottom 90%?

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