Scores on a statistics final in a large class were normally distributed with a mean of 75
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Scores on a statistics final in a large class were normally distributed with a mean of 75 and a standard deviation of 8.
a. Find the 40th percentile of the scores.
b. Find the 65th percentile of the scores.
c. The instructor wants to give an A to the students whose scores were in the top 10% of the class. What is the minimum score needed to get an A?
d. Between what two values are the middle 60% of the scores?
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