Answer:
A
Step-by-step explanation:
because it is crossed
Perpendicular means reverse reciprocal of the slope. Here the slope is 5 so the slope of the perp line is -1/5. Now you have y = -1/5 + x so just plug in -5 as x and -4 as y and you get -4 = -1/5 - 5
<span> C,,,,,30 students selected from his class rosters</span>
Answer:
4.0486
Step-by-step explanation:
The margin of error is calculated using 
Where n=60 is the sample size and
is the population standard deviation.
The critical value corresponding to 95% confidence interval is 
We substitute the values to obtain;

