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3 years ago

8

BRAINLIEST

2 answers:

lina2011 [118]3 years ago

4 0

First you find the unit rate for (2, 7). You divide y by the x so-ooo 7 ÷ 2 = 3.5. Next you multiply the unit rate, 3.5, by 5 to get 17.5. Your answer is 17.5. I took a test with this question and that was the answer, in case you need assurance.

Hope this helps,
♥Nikki♥

masha68 [24]3 years ago

3 0

17.5 hope it helped !!!

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3 years ago

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Anestetic [448]

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3 years ago

Assume that a sample is used to estimate a population proportion μ . Find the margin of error M.E. that corresponds to a sample

hichkok12 [17]

Answer:

$MoE = 1.645\cdot \frac{13.1}{\sqrt{772} } \\\\MoE = 1.645\cdot 0.47147\\\\MoE = 0.776\\\\$

Step-by-step explanation:

Since the sample size is quite large, we can use the z-distribution.

The margin of error is given by

$MoE = z_{\alpha/2}(\frac{s}{\sqrt{n} } )$

Where n is the sample size, s is the sample standard deviation and $z_{\alpha/2}$ is the z-score corresponding to a 90% confidence level.

The z-score corresponding to a 90% confidence level is

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From the z-table at α = 0.05

z-score = 1.645

$MoE = 1.645\cdot \frac{13.1}{\sqrt{772} } \\\\MoE = 1.645\cdot 0.47147\\\\MoE = 0.776\\\\$

Therefore, the margin of error is 0.776.

3 0

3 years ago

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AnnZ [28]

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3 years ago