Construct a 9090 % confidence interval for the average number of papers published in major world cities.  <μ<<μ<

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A: *Answer:  Open a.Reject the Null Hypothesis. 5.465 &gt; 1.761is the correct answer. * Explanation:

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Q: The scientific productivity of major world cities was the subject of a recent study. The study…

A: From the provided information, Sample size (n) = 20 Confidence level = 90%

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Q: The scientific productivity of major world cities was the subject of a recent study. The study…

A: 15,3,3,30,3,10,20,21,19,4,5,19,8,30,10,4,15,15,13,19sample size(n)=20confidence level=99%

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A: It is given that the p-value is 0.00001.