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Looking for help with solution along with explanation. 6. Scores on the critical reading portion of the SAT are normally distributed with a mean of

Looking for help with solution along with explanation.

6. Scores on the critical reading portion of the SAT are normally distributed with a mean of 500 and a standard deviation of 100.

A) What is the probability that a randomly selected person will score 550 or more?

B) What reading SAT score is at the 65th percentile?

C) Suppose we wanted to score at least in the 80th percentile on the exam. What score would we need?

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