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. 92.03 <<97.97 B. 91.69<<98.31 OC. 92.95<<97.05 OD. 91.68 <<98.32

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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.
OA. 92.03 <<97.97
OB. 91.69<<98.31
OC. 92.95<<97.05
OD. 91.68 <<98.32
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Transcribed Image Text:← 2 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. OA. 92.03 <<97.97 OB. 91.69<<98.31 OC. 92.95<<97.05 OD. 91.68 <<98.32 @ 2 W S X дв command # 3 80 F3 E D $ 4 C Q R F % 5 V G ♥ FS T G A 6 MacBook Air B Y H & 7 17 U N C 8 J Dil 1 M ( 9 K DD F9 O < I ) O L F10 P Time Remaining: 01:49:51 > - : ; { [ + 11 I 1 command option ? 1 am Next } 1 delete retur
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