Math 227 - Statistics » Fall 2020 » Sec 8.2 Quiz
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Question #1
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.
91.69 < μ < 98.31
B.
92.03 < μ < 97.97
C.
91.68 < μ < 98.32
D.
92.95 < μ < 97.05
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