8.74 She used 8.74 then replaced 8.74 within hours later. So the answer is. ( 0 )
Answer:
And the 95% confidence interval would be between (69.027;80.793)
Step-by-step explanation:
Information given
represent the sample mean
population mean (variable of interest)
represent the population standard deviation
n=33 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 0.99 or 99%, the significance would be and , the critical value for this case would be
And replacing we got:
And the 95% confidence interval would be between (69.027;80.793)
Step-by-step explanation:
Answer is k>-1
Answer:
y=10x+0.4
Step-by-step explanation:
I did the test too.
Use this method it on the pg number 125 of ncert book