Answer:
(-1,2.5)
Step-by-step explanation:
Answer: 
Step-by-step explanation:
The confidence interval for population mean is given by :-
, where
is the sample mean and ME is the margin of error .
Given : The sample mean : 
Margin of error : 
Then , the range of values (confidence interval) likely to contain the true value of the population parameter will be :-

Hence, the range of values likely to contain the true value of the population parameter = 
I do not know the last question but I know the first it is4 time I hope I am right
Car B because 334 divided by 5= 41 mph