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An environmentalist wants to find out the fraction of oil tankers that have spills each month. Step...

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Basic Math

An environmentalist wants to find out the fraction of oiltankers that have spills each month.

Step 2 of 2 :  

Suppose a sample of 516 tankers is drawn. Of these ships, 393did not have spills. Using the data, construct the 90% confidenceinterval for the population proportion of oil tankers that havespills each month. Round your answers to three decimal places.

Answer & Explanation Solved by verified expert
3.6 Ratings (522 Votes)
We have given x516393123 n516 Estimate for sample    See Answer
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