Answer:
Confidence interval: (1760,1956)
Step-by-step explanation:
We are given the following information in the question:
Sample size, n = 81
Sample mean =

Population standard deviation =

Confidence Level = 95%
Significance level = 5% = 0.05
Confidence interval:

Putting the values, we get,


You can factor out the square root of two from the num and denom of this fraction leaving you with 1/3 or 1.33
This is the answer...hope i helped
Answer:
3×c+5=9
Step-by-step explanation:
thats the answer ig
Central time is 1 hr ahead of mountain time.....so if central time is 3 p.m. then mountain time would be 2 p.m.