What is the value of X?* Х у 60° 5 8.66 5 10.2 60
1 answer:
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Answer: m=-1.
Step-by-step explanation:
<h2>Answer with explanation:</h2>
As per given , we have
Sample size : n= 5
Degree pf freedom = : df= 5-1=4
Significance level for 90% confidence =
Using t-value table , t-critical value for 90% confidence:
Margin of error of :
Interpretation : The repair cost will be within $12.39 of the real population mean value 90% of the time.