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babymother [125]
3 years ago
7

Anyone know the answer?

Mathematics
1 answer:
alekssr [168]3 years ago
6 0

Answer:

C

Step-by-step explanation:

As the graph is shifted to the left, x -> (x+4)

g(x) = (x+4)^2+5(x+4)-6

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Last option

{\displaystyle {\overline {x}}} \± \frac{2.58*s}{\sqrt{n}}

Step-by-step explanation:

{\displaystyle {\overline {x}}}

If we extract a sample of size n from a normal population and we want to estimate the population mean then the confidence interval for the mean will be:

{\displaystyle {\overline {x}}} \± Z_{\alpha/ 2}*\frac{s}{\sqrt{n}}

Where

Where {\displaystyle {\overline {x}}}  is an estimator for the mean μ.

n is the sample size and s is its standard deviation.

\alpha is the level of significance

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Then Z_{\frac{\alpha}{2}} = Z_{\frac{0.01}{2}} = Z_{0.005}=2.58

Then the 99% confidence interval for the population mean is

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