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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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Question

Basic Math

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

Step 1 of 2:

Suppose a sample of 292 tankers is drawn. Of these ships, 58 hadspills. Using the data, estimate the proportion of oil tankers thathad spills. Enter your answer as a fraction or a decimal numberrounded to three decimal places.

Step 2 of 2:

Suppose a sample of 292 tankers is drawn. Of these ships, 58 hadspills. Using the data, construct the 80% confidence interval forthe population proportion of oil tankers that have spills eachmonth. Round your answers to three decimal places.

Answer & Explanation Solved by verified expert
3.9 Ratings (494 Votes)
Solution Given thatn 292x 58 x n 58 292 01991 1    See Answer
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