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kondor19780726 [428]
3 years ago
5

PLEASEEE HELP :)))

Mathematics
1 answer:
8_murik_8 [283]3 years ago
3 0

Answer

Distance= root of (x1-x2)^2+(y1-y2)^2

X1=664

X2=901

Y1=22

Y2=-138

Step-by-step explanation:

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Step-by-step explanation:

because i did this back in 8th grade

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A newsgroup is interested in constructing a 90% confidence interval for the proportion of all Americans who are in favor of a ne
Evgen [1.6K]

Answer:

a. With 90% confidence the proportion of all Americans who favor the new Green initiative is between 0.6290 and 0.6948.

b. If the sample size is changed, the confidence interval changes as the standard error depends on sample size.

About 90% percent of these confidence intervals will contain the true population proportion of Americans who favor the Green initiative and about 10% percent will not contain the true population proportion.

Step-by-step explanation:

We have to calculate a 90% confidence interval for the proportion.

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p=X/n=370/559=0.6619

The standard error of the proportion is:

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MOE=z\cdot \sigma_p=1.6449 \cdot 0.02=0.0329

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