Perpendicular lines , If the green line is 3 over 4 what is the red line NEED answers
2 answers:
I think that you meant the green line's slope is 
.
Perpendicular lines have slopes that are opposite reciprocals of each other.
Since the slope of the green line is, the slope of the red line must be 
, because you flip the fraction and change the sign essentially.
So the slope of the red line is -2/3.
Perpendicular lines have slopes that are opposite reciprocals of each other.
Since the slope of the green line is
So the slope of the red line is -2/3.
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Answer:
At 5% significance level, it is statistically evident that there is nodifference in the proportion of college students who consider themselves overweight between the two poll
Step-by-step explanation:
Given that a poll was taken this year asking college students if they considered themselves overweight. A similar poll was taken 5 years ago.
Let five years ago be group I X and as of now be group II Y
(Two tailed test at 5% level of significance)
Group I Group II combined p
n 270 300 570
favor 120 140 260
p 0.4444 0.4667 0.4561
Std error for differene =
p difference = -0.0223
Z statistic = p diff/std error = -1.066
p value =0.2864
Since p value >0.05, we accept null hypothesis.
At 5% significance level, it is statistically evident that there is nodifference in the proportion of college students who consider themselves overweight between the two poll