Question
Use the 68%-95%-99.7% (empirical rule) rule to answer the following: Assuming a set of test scores is normally distributed with a mean of 110 and
Use the 68%-95%-99.7% (empirical rule) rule to answer the following:
Assuming a set of test scores is normally distributed with a mean of 110 and a standard deviation of 12.
a) The percentage of scores between98 and 122 is
b) The percentage of scores between 74 and 146 is
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High School Math 2011 Algebra 1(prentice Hall)
Authors: Prentice Hall
Student Edition
9780133500400, 0133500403
