Thirty Randomly Selected Students Took the Calculus Final

question 91

Multiple Choice

Thirty randomly selected students took the calculus final.If the sample mean was 91 and the standard deviation was 11.7,construct a 99% confidence interval for the mean score of all students.

• A)(87.37,94.63)
• B)(85.13,96.87)
• C)(85.74,96.26)
• D)(85.11,96.89)
• E)(87.37,96.87)

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