Use the Given Degree of Confidence and Sample Data to Construct

question 153

Multiple Choice

Use the given degree of confidence and sample data to construct a confidence interval for the population mean µ. Assume that the population has a normal distribution.
Thirty randomly selected students took the calculus final. If the sample mean was 95 and the standard deviation was 6.6,
Construct a 99% confidence interval for the mean score of all students.

• A) \(91.68 < \mu < 98.32\)
• B) \(91.69 < \mu < 98.31\)
• C) \(92.03 < \mu < 97.97\)
• D) \(92.95 < \mu < 97.05\)

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