(3x+1) = 64
3x = 63
3x/3 = 63/3
x = 21
Answer: -1/4
Step-by-step explanation:
Slope=rise/run
We rise 1 up
We run 4 to the left (making it negative)
Answer:
The confidence interval is (24116.3878,24883.6122).
Step-by-step explanation:
We are given the following information in the question:
Population mean,
= $23,500
Sample mean,
= $24,500
Sample standard deviation,s = $2,800
Sample size, n = 146
Confidence interval:
Putting the values, we get,
The confidence interval is (24116.3878,24883.6122).
-420 is your answer
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