Answer:
c) (26.295, 28.705)
Step-by-step explanation:
We have that to find our 
level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of 
.
So it is z with a pvalue of 
, so 
Now, find the margin of error M as such
In which 
is the standard deviation of the population and n is the size of the sample.
The lower end of the interval is the sample mean subtracted by M. So it is 27.5 - 1.205 = 26.295 mi/gallon
The upper end of the interval is the sample mean added to M. So it is 27.5 + 1.205 = 28.705 mi/gallon
So the correct answer is:
c) (26.295, 28.705)
8.8 million is the right answer
I hope this might be able to help you.
Since the value of the car slowly decreases each year and each year is represented by <em>y</em>, the function is 24,000-1750y=f(x).
2 times 18 equals 36... Did I do a good job answering your question?? If so, brainliest, please. :)
To use the distributive property means to "distribute" the 6 among each term inside the parentheses. So we have to multiply the 6 by 5x and then multiply 6 by -3.
= 6(5x - 3)
multiply 6 by each term in parentheses
= (6 * 5x) + (6 * -3)
multiply inside each parentheses; remember a negative times a positive equals a negative
= 30x - 18
ANSWER: 30x - 18
Hope this helps! :)
