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Assume that a distribution of 10000 scores is normally distributed with a mean of 70 and a standard deviation of 10. What is the number

Assume that a distribution of 10000 scores is normally distributed with a mean of 70 and a standard deviation of 10. What is the number of scores between observed scores of 60 and 80?

a. 1359

b. 3413

c. 6826

d. 8185

e. 8413

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