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REY [17]
3 years ago
13

The scale factor rounded to the nearest tenth.

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
5 0
Hey there! :)

In the big square, the side length is 3, and in the small one, it's 1

Big to Small = 1/3

1/3 = 0.3333 = 0.3

Your answer is 0.3

Hope this helps :)
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Answer:

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Step-by-step explanation:

The formula for the z-score of a proportion is given as follows;

z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{pq}{n}}}

Where:

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Hence, we have;

z=\dfrac{\hat{p}-0.5}{\sqrt{\dfrac{0.5 \times 0.5}{200}}} = 2.99

Therefore;

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Hence, there is sufficient evidence to conclude that cost has increased.

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2 years ago
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