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If a Normal Distribution of Scores Has a Mean of 55

Question 29

Multiple Choice

If a normal distribution of scores has a mean of 55 and a standard deviation of 10, what range of values would contain 99.73% of the scores?

A) 25-85
B) 35-75
C) 30-80
D) 45-65
E) not possible to determine from the information given.

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