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WARRIOR [948]
3 years ago
8

Help please and show work

Mathematics
1 answer:
Dafna11 [192]3 years ago
4 0

Answer:

Parallel to two previous parallel lines which creates m < e  that equals 41 and m < ff that equals 35

Step-by-step explanation:

Alternate interior angles

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What is .0487 as a percent
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7. A number of minor automobile accidents occur at various high-risk intersections in Teton County despite traffic lights. The T
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Answer:

Modification has not reduced the number of accidents.

Step-by-step explanation:

H_0: \mu\geq0\\H_a:\mu

                                 A  B  C   D   E   F  G   H

Before modification 5  7  6   4    8   9   8   10

After modification    3  7  7   0    4   6   8    2

Difference                -2 0  1   -4   -4   -3  0   -8

Mean of differences M_d = \frac{sum}{8}=\frac{2+0-1+4+4+3-0+8}{8}=2.5

Standard deviation of differences = \sqrt{\frac{\sum(x-\bar{x})^2}{n}}=2.9277

Formula of paired t test :

t=\frac{M_d}{\frac{s}{\sqrt{n}}}\\t=\frac{2.5}{\frac{2.9277}{\sqrt{8}}}\\t = 2.4152

Df = n-1 = 8-1 =7

t critical = t_{(df, \alpha)}=t_{7,0.01}=2.998

t critical> t calculated

So, We failed to reject null hypothesis

Hence modification has not reduced the number of accidents.

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Hope this helps you. Thank you....

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