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3 years ago

Find the area of the figure by subtraction.

Mathematics

1 answer:

Grace [21]3 years ago

5 0

I guess the only way to use subtraction is to take the total area of the grid and subtract it by the total area around the figure. So it since it is a 10 by 10 grid, it would be 100 (since 10*10=100) minus the area around the shape.

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A survey found that 89% of a random sample of 1024 American adults approved of cloning endangered animals. Find the margin of er

Kobotan [32]

Answer:

The margin of error for the survey is 0.016

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 1024

Sample proportion:

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We have to find the margin of error associated with a 90% Confidence interval.

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$z_{stat}\times \sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

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Putting the values, we get:

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