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professor190 [17]
2 years ago
13

Please help asap 25 pts

Mathematics
2 answers:
alina1380 [7]2 years ago
7 0
First
Better than solving it, I'll put a graph at the bottom of this answer. First of all it is an absolute value graph.

Remark
All members of that family are shaped like a v with both arms symmetrical about the vertex.

Second
You use the same rule for determining the vertex with an absolute value graph that you would use for a quadratic graph. 

if the graph is of the form
y= abs(x + a) Then if a > 0 then the graph moves to the left (contrary to what you might think)

If a < 0 then the graph moves right again contrary to what you might think.

If a = 0 then the graph is on the same line as 0,0 depending on what else is with the absolute value formula.

Answer D <<<<<
 


irinina [24]2 years ago
5 0
D The graph is an absolute value function with vertex (-2, 0).

Look at the picture.

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Answer:

The minimum sample size required to construct a 95% confidence interval for the population mean is 65.

Step-by-step explanation:

We are given the following in the question:

Population standard deviation,

\sigma = 3.10\text{ milligrams}

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0.75 = 1.86\times \dfrac{3.10}{\sqrt{n}}\\\\\sqrt{n} = \dfrac{1.96\times 3.10}{0.75}\\\\\sqrt{n} = 8.101\\\Rightarrow n = 65.63\approx 65

Thus, the minimum sample size required to construct a 95% confidence interval for the population mean is 65.

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2 years ago
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<em>isosce</em><em>les</em><em> </em><em>and</em><em> </em><em>right</em>

<em>I'm not sure</em>

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