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lozanna [386]
3 years ago
11

What can you conclude about the tangent lines and the diameter of a circle?

Mathematics
1 answer:
svetlana [45]3 years ago
6 0

Answer:

B. perpendicular Hope this helps!

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A division number story with an answer of 12/8?
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3 years ago
It is advertised that the average braking distance for a small car traveling at 75 miles per hour equals 124 feet. A transportat
Morgarella [4.7K]

Answer:

z=\frac{112-124}{\frac{22}{\sqrt{37}}}=-3.318  

The p value would be given by this probability:

p_v =2*P(z  

Since the p value is a very small value at any significance level used we can reject the null hypothesis and we can conclude that the true mean for this case is different from 124 ft

Step-by-step explanation:

Data given and notation  

\bar X=112 represent the sample mean

\sigma =22 represent the population standard deviation  

n=37 sample size  

\mu_o =124 represent the value that we want to test  

z would represent the statistic (variable of interest)  

p_v represent the p value

Hypothesis to test

We want to check the following system of hypothesis:

Null hypothesis: \mu = 124  

Alternative hypothesis :\mu \neq 124  

The statistic is given by:

z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}} (1)  

Replacing the info given we got:

z=\frac{112-124}{\frac{22}{\sqrt{37}}}=-3.318  

The p value would be given by this probability:

p_v =2*P(z  

Since the p value is a very small value at any significance level used we can reject the null hypothesis and we can conclude that the true mean for this case is different from 124 ft

6 0
3 years ago
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3. c^15 d^0
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