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,


Answer:
Distributive property of equality
Step-by-step explanation:
The first thing to do in an equation is to distribute.
Answer:
x ^ (1/3)
Step-by-step explanation:
solution:
the answer is in the picture I have sent.
I hope this will help you
Answer:
Step-by-step explanation:
Use the slope- intercept formula:

where m = slope and b = y-intercept.
Since we are told the slope is -1/2, this means m = -1/2
We are also told the y-intercept is at (0, 6) this means b = 6
So now we have the equation:
y = -1/2x + 6