Answer:
For this case the confidence interval is given by :
Step-by-step explanation:
Data provided
represent the sample mean for the fuel efficiencies
population mean
s=2.51 represent the sample standard deviation
n=601 represent the sample size
Confidence interval
The formula for the confidence interval of the true mean is given by:
(1)
The degrees of freedom for this case is given by:
The Confidence level for this case is 0.95 or 95%, and the significance level and and the critical value is given by
Replcing into the formula for the confidence interval is given by:
For this case the confidence interval is given by :
Answer:
87.92
Step-by-step explanation:
3.14(a²+ab)=
<em>Plugging in values for a and b</em>
3.14(4²+4×3)=
3.14(16+12)=
3.14(28)=
87.92
6(-3-4y)
-18-24y
(Multiply 6 by both numbers)
Answer:
Step-by-step explanation:
<u>Step 1: Convert to Scientific Notation</u>
<u /> is in standard notation
is in scientific notation
Answer: