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iren2701 [21]
1 year ago
8

Hi, can you help me answer this question please, thank you!

Mathematics
1 answer:
matrenka [14]1 year ago
8 0

It is given that the sample size is 17.

So degrees of freedom is 16.

The confidence level is 80%.

Use the t table or a tool to find the critical t value as below:

The one tail t value for 80 percent confidence is 0.865 using t table.

So the critical value is 0.865.

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<img src="https://tex.z-dn.net/?f=y%5E%7B3%7D%3D%2064" id="TexFormula1" title="y^{3}= 64" alt="y^{3}= 64" align="absmiddle" clas
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Take the root of both sides of the equation.
y = ^3 √64
Calculate the root.
y = 4

In the end, when you substitute y for 4,
4^3 will get you 64.
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