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pav-90 [236]
3 years ago
12

Which point represents the unit rate

Mathematics
2 answers:
Ivenika [448]3 years ago
8 0

Answer:

C.

Step-by-step explanation:

Shtirlitz [24]3 years ago
4 0
Unit rate is when a rate is simplified so it has a denominator of 1 (x = 1) and y≠ 0 

unit rate = y/x  

Answer: Point C <span>represents the unit rate</span>
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Answer:

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Step-by-step explanation:

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3 years ago
A digital camcorder repair service has set a goal not to exceed an average of 5 working days from the time the unit is brought i
garri49 [273]

Answer:

The degrees of freedom first given by:  

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Then we can find the critical value taking in count the degrees of freedom and the alternative hypothesis and then we need to find a critical value who accumulates 0.05 of the area in the right tail and we got:

t_{\alpha}= 1.796

And for this case the rejection region would be:

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Step-by-step explanation:

Information given

5, 7, 4, 6, 7, 5, 5, 6, 4, 4, 7, 5.

System of hypothesis

We want to test if the true mean is higher than 5, the system of hypothesis are :  

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Alternative hypothesis:\mu > 5  

The statistic is given by:

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}} (1)  

The degrees of freedom first given by:  

df=n-1=12-1=11  

Then we can find the critical value taking in count the degrees of freedom and the alternative hypothesis and then we need to find a critical value who accumulates 0.05 of the area in the right tail and we got:

t_{\alpha}= 1.796

And for this case the rejection region would be:

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Step-by-step explanation:

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