3 years ago

Use the data in the table to complete the sentence.

Mathematics

1 answer:

muminat3 years ago

6 0

Answer:

x is plus 1 and y is minus 1.

Step-by-step explanation:

thats what i put and marked it as correct on edgenuity.

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X-12 -8
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3 years ago

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Find the slope of a line that passes through the

Doss [256]

Given that,

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To find,

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Solution,

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3 years ago

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3 years ago

Use the normal distribution to find a confidence interval for a proportion p given the relevant sample results. Give the best po

Brrunno [24]

Answer: (0.63, 7.07)

Step-by-step explanation:

The confidence interval for population proportion is given by :-

$\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

Given : $\hat{p} =0.7$ ; $n=110$

Significance level : $1-0.90=0.1$

Critical value : $z_{\alpha/2}=1.645$

Now, a 90% confidence interval for population proportion will be :-

$0.7\pm (1.645)\sqrt{\dfrac{0.7(1-0.7)}{110}}\\\\\approx0.7\pm0.07\\\\=(0.7-0.07,0.7+0.07)=(0.63,\ 7.07)$

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5 0

3 years ago