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nikitadnepr [17]
3 years ago
15

If you are given side lengths of 6 cm and 9 cm and a 70 angle, Can you form

Mathematics
1 answer:
Korvikt [17]3 years ago
8 0
A. Unique triangle of a 70 Angle, 6 cm, and 9 cm.
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Jack and Fred have to do a certain job. If Jack works alone he can finish the job in 3
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A study showed that 14 of 180 publicly traded business services companies failed a test for compliance with Sarbanes-Oxley requi
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Answer:

The 95% confidence interval for the overall noncompliance proportion is (0.0387, 0.1169).

Step-by-step explanation:

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}.

For this problem, we have that:

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95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

The lower limit of this interval is:

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The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.0778 + 1.96\sqrt{\frac{0.0778*0.9222}{180}} = 0.1169

The 95% confidence interval for the overall noncompliance proportion is (0.0387, 0.1169).

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3 years ago
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