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Alona [7]
2 years ago
14

Dimensional 528 feet to miles

Mathematics
1 answer:
Volgvan2 years ago
8 0

Answer: 0.1 mile

Step-by-step explanation:

5280 feet equals one mile

5280 ÷ 10 equals 528

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Several years​ ago, 39​% of parents who had children in grades​ K-12 were satisfied with the quality of education the students r
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<h2>Answer with explanation:</h2>

Let p be the population proportion  of parents who had children in grades​ K-12 were satisfied with the quality of education the students receive.

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Set hypothesis to test :

H_0: p=0.39\\\\H_a :p\neq0.39

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Sample proportion : \hat{p}=\dfrac{466}{1055}=0.441706161137\approx0.44

Critical value for 95% confidence : z_{\alpha/2}=1.96

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

0.44\pm (1.96)\sqrt{\dfrac{0.39(1-0.39)}{1055}}\\\\0.44\pm0.0299536805135\\\\0.44\pm0.03\\\\=(0.44-0.03, 0.44+0.03)\\\\=(0.41,\ 0.47)

Since , Confidence interval does not contain 0.39.

It means we reject the null hypothesis.

We conclude that 95​% confidence interval represents evidence that​ parents' attitudes toward the quality of education have changed.

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Therefore, the graph that has an AVR of 1/2 is the graph of the linear function.

Answer:

graph shows a rate of change of 1/2 is the linear function

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