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

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An environmentalist wants to find out the fraction of oil tankers that have spills each month Step 2 of 2 Suppose a sample of 313 tankers is drawn Of these ships 235 did not have spills Using the data construct the 80 confidence interval for the population proportion of oil tankers that have spills each month Round your answers to three decimal places Answer How to enter your answer opens in new window Lower endpoint Upper endpoint Keyp Keyboard Short Tables Previous step answ

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