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D Question 4 Scores on a test have a normal distribution with mean 20. 95% of the test scores are between 13 and 27. What

D Question 4 Scores on a test have a normal distribution with mean 20. 95% of the test scores are between 13 and 27. What is the standard deviation of test scores? 01 0 3.5 0 5.5 07

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