FINAL EXAM PLEASSE HELP
1 answer:
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Answer:
The 95% confidence interval would be given by (96.98;100.82)
Step-by-step explanation:
Information given
represent the sample mean
population mean (variable of interest)
s=0.62 represent the sample standard deviation
n=103 represent the sample size
Confidence interval
The confidence interval for the mean is given by the following formula:
(1)
The degrees of freedom are given by:
Since the Confidence is 0.95 or 95%, the significance is and
, and the critical value for this case would be
And replacing we got:
The 95% confidence interval would be given by (96.98;100.82)