Answer:
Step-by-step explanation:
Answer:
c. (6,1)
Step-by-step explanation:
Add both x and both y (11+1)=12 (5+-3)=2 then divide both by 2
(6,1)
Answer:
The interval 52% to 58% is based on a procedure that includes the true population value 95% of the time.
Step-by-step explanation:
x% confidence interval:
A confidence interval is built from a sample, has bounds a and b, and has a confidence level of x%. It means that we are x% confident that the population mean is between a and b.
95% confidence
We are 95% sure that the interval contains the true mean/proportion, and thus, the correct option is:
The interval 52% to 58% is based on a procedure that includes the true population value 95% of the time.