Graph the solution set for this -6x-3y<-18
1 answer:
Answer: See the graph attached.
Step-by-step explanation:
The equation of the line in slope-intercept form is:
Where:
m: slope.
b: y-intercept.
Solve for y:
When you multiply by -1, the direction of the symbol changes. Then:
Then:
-You must graph the line:
Which has the slope -2 and intersects the y-axis at y=6
(The line is dashed for symbols < and > )
- Shade the region above the line (Because the symbol is >)
Therefore, you obtain the graph shown attached.
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Answer:
(1) Correct option is B.
(2) Correct option is C.
Step-by-step explanation:
The information provided is:
The (1 - <em>α</em>)% confidence interval for the difference between two mean is:
The critical value of <em>t</em> is:
degrees of freedom
Compute the 95% confidence interval for the difference between two mean as follows:
Thus, the 95% confidence interval, (2.14, 3.86) implies that the true mean difference value is contained in this interval with probability 0.95.
Correct option is B.
The null value of the difference between means is 0.
As the value 0 is not in the interval this implies that there is a difference between the two means, concluding that priming does have an effect on scores.
Correct option is C.