In a study of 265 subjects,the average score on the examination was 63.8 and s = 3.08.What is a 95 percent confidence for $\mu$
? Assume scores are normally distributed.

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In a study of 265 subjects,the average score on the examination was 63.8 and s = 3.08.What is a 95 percent confidence for $\mu$ 
? Assume scores are normally distributed.

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The Answer of In a study of 265 subjects,the average score on the examination was 63.8 and s = 3.08.What is a 95 percent confidence for $\mu$ 
? Assume scores are normally distributed.

In a Study of 265 Subjects,the Average Score on the Examination