Question: Using the standard normal curve and z a Find the minimum

Using the standard normal curve and z:
a. Find the minimum score needed to receive an A if the instructor in Example 6.11 said the top 15% were to get A’s.
b. Find the 25th percentile for IQ scores in Example 6.10.
c. If SAT scores are normally distributed with a mean of 500 and a standard deviation of 100, what score does a student need to at least be considered by a college that takes only students with scores within the top 7%?

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