3 years ago

My teacher never taught us this so idk how to do it

Mathematics

1 answer:

Verdich [7]3 years ago

6 0

${x}^{3} = 6\Leftrightarrow \sqrt[3]{ {x}^{3} } = \sqrt[3]{6} \Leftrightarrow x = \sqrt[3]{6}$

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(0.46, 0.52)

Step-by-step explanation:

The formula for Confidence Interval with Proportion

CI = p ± z × √p(1 - p)/n

Where

p = Proportion = x/n

x = 346

n = 706

p = 346/706

p = 0.49

z = z score of Confidence Interval 90% = 1.645

Therefore:

CI = 0.49 ± 1.645 × √0.49(1 - 0.49)/706

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CI = 0.49 ± 1.645 × 0.0188139843

CI = 0.49 ± 0.0309490042

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Therefore , the confidence interval of the population proportion is

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