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The Scores from a State Standardized Test Have a Mean

Question 4

Multiple Choice

The scores from a state standardized test have a mean of 80 and a standard deviation of 10. The distribution ofthe scores is roughly bell shaped. Use the Empirical Rule to find the percentage of scores that lie between 60and 80.


A) 47.5%
B) 68%
C) 34%
D) 95%

Correct Answer:

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