Answer: At least 13
Step-by-step explanation:
Answer: (1.55, 6.45)
Step-by-step explanation:
The confidence interval for population mean is given by :-
Given : Significance level :
Critical value :
Sample size : n=41
Sample mean :
Standard deviation :
Then, 99% confidence interval for population mean will be :_
Answer:
No. They are slightly pointed. Even if it has the slightest angle that is not 180 degrees, then it is not parallel.
Step-by-step explanation: