Multiple Choice
Find the confidence interval specified. Assume that the population is normally distributed.
-Thirty randomly selected students took the calculus final. If the sample mean was 93 and the standard deviation was 13.3, construct a 99% confidence interval for the mean score of all students.
A) 88.87 to 97.13
B) 86.31 to 99.69
C) 87.02 to 98.98
D) 86.33 to 99.67
Correct Answer:
Verified
Correct Answer:
Verified
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