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Zina [86]
3 years ago
10

A community that has progressed so much that it is stable and balanced is called a(n) _______ community.

Mathematics
2 answers:
Rzqust [24]3 years ago
7 0

Answer:

c. Climax

Step-by-step explanation:

Climax community is an ecological community in it final stage of succession,  in which the species that makes up the community are relatively stable unless   a rare earth disaster like earthquakes, fire etc  destabilize the system.

The climax community has reached the stable stage. The community is well defined and extensive . This stability is usually actualized when more complex organisms replace more simple organism. Succession in this kind of community has occurred severally until it reaches it reaches the climax stage. Most climax community takes hundreds and millions of years to reach stability. This stability is achieved through succession : a process whereby natural communities is replaced by another. For example grass may invade an ordinary flat sandy surface then the grass will provide humus for other more complex species to grow like oaks and beeches tree before it reaches a stable community.  

strojnjashka [21]3 years ago
6 0

Answer

Climax Community

Step-by-step explanation:

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3 years ago
You have drawn a simple random sample of 36 college students, asking each student how much rent they pay per month. You obtain a
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Answer:

573-1.690\frac{22}{\sqrt{36}}=566.8033    

573+1.690\frac{22}{\sqrt{36}}=579.1967      

And the 90% confidence interval would be between [566.80 and 579.20]

Step-by-step explanation:

Information given

\bar X=573 represent the sample mean

\mu population mean (variable of interest)

s=22 represent the sample standard deviation

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Confidence interval

The confidence interval for the mean is given by the following formula:

\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}   (1)

The degrees of freedom are given by:

df=n-1=36-1=35

The Confidence level is 0.90 or 90%, the significance would be \alpha=0.1 and \alpha/2 =0.05, and the critical value for this case would be t_{\alpha/2}=1.690

And replacing we got:

573-1.690\frac{22}{\sqrt{36}}=566.8033    

573+1.690\frac{22}{\sqrt{36}}=579.1967    

And the 90% confidence interval would be between [566.8033 and 579.1967]

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Answer:

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Step-by-step explanation:

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I = PRT/100

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We now plug these values into the equation

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