Multiple Choice
Eighty randomly selected students took the calculus final.If the sample mean was 76 and the standard deviation was 8.1,construct a 99% confidence interval for the mean score of all students.
A) (71.92,80.08)
B) (71.94,80.06)
C) (73.49,78.51)
D) (75.63,82.37)
E) (73.49,80.06)
Correct Answer:
Verified
Correct Answer:
Verified
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