Using the standard normal curve and z: a. Find the minimum score needed to receive an A
Question:
Using the standard normal curve and z:
a. Find the minimum score needed to receive an A if the instructor in Example 6.12 (p. 325)
said the top 15% were to get As.
b. Find the 25th percentile for IQ scores in Example 6.10 (p. 324).
c. If 20% of the salaries in Example 6.14 (p. 326)
are below $28,000, find the current mean salary.
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Related Book For 
Just The Essentials Of Elementary Statistics
ISBN: 9780495314875
10th Edition
Authors: Robert Johnson, Patricia Kuby
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