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If scores in a population are normally distributed, what percentage of scores are within one standard...

If scores in a population are normally distributed, what percentage of scores are within one standard deviation of the mean?

a. 2.5%

b. 16%

c. 68%

d. 95%

Math   Statistics-And-Probability   
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Answer #1

Here correct option is:

C) 68%

For detailed explanations I have attached the solution.

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