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Maksim231197 [3]
3 years ago
10

Solve the proportion.3/4=v/14​

Mathematics
1 answer:
Brums [2.3K]3 years ago
3 0

Answer:

10.5

Step-by-step explanation:

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In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

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80% confidence level

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The upper limit of this interval is:

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