Answer:
D
Step-by-step explanation:
Matrices are equal when they are of the same order and their corresponding entries are equal.
This is the case with the given matrix and matrix D
Answer:
Step-by-step explanation:
Since the population standard deviation 
, is known, we use the z confidence interval for the mean.
This is given by:
For a 95% confidence interval we use 
.
It was also given that: 
, 
and 
Let us substitute the values to get:
<u>Interpretation:</u>
We can say with 95% confidence that the interval between 1463.3 and 1580.7 SAT scores contains the population mean based on the sample 125 SAT scores.
Answer:
3.54>0.354
Step-by-step explanation:
2.80 is greater than 2.68 not less.
0.257 is greater than 0.1574 not less.
9.04 is less than 9.4 not greater.
The only correct answer is 3.54>0.354 because the 3 in 3.54 is greater than the 0 in 0.354.
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Answer:
Graph the line using the slope and y-intercept, or two points.
Slope: −1-1
y-intercept: (0,0)(0,0)
xy−1100
Step-by-step explanation:
