Make x the subject: y=x+p/x-pstep-by-step explanation please
1 answer:
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Answer:
The confidence interval for this case would be (216.589, 223.411)
Step-by-step explanation:
Information given
represent the sample mean
population mean
s=12 represent the sample standard deviation
n=50 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:
The Confidence level is 0.95 or 95%, the significance is and
, the critical value for this case is
And replacing we got:
The confidence interval for this case would be (216.589, 223.411)