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givi [52]
3 years ago
15

In a recent report, it was stated that the proportion of employees who carpool to their work is 0.14 and that the standard devia

tion of the sampling proportion is 0.0259. However, the report did not indicate what the sample size was. What was the sample size?

Mathematics
1 answer:
natulia [17]3 years ago
7 0

Answer:

n = 179

Step-by-step explanation:

See it in the pic

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Answer:

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Step-by-step explanation:

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Sample standard deviation, s = 0.764

First, we design the null and the alternate hypothesis

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Formula:

t_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }

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t_{stat} = \displaystyle\frac{16.218 - 16.000}{\frac{0.764}{\sqrt{22}} } = 1.338

Thus, the value of test statistic is 1.338

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Step-by-step explanation:

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