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by passengers on its flights in order to evaluate the appropriateness of their overweight fees Recently a random sample of 249 items checked on English Air flights to North America contained 52 overweight items and an independent random sample of 272 items checked on English Air flights within Europe contained 32 overweight items Based on these samples can we conclude at the 0 10 level of significance that there is a difference between the proportion p of all items on English Air flights to North America that are overweight and the proportion p of all items on English Air flights within Europe that are overweight P2 Perform a two tailed test Then complete the parts below Carry your intermediate computations to three or more decimal places and round your answers as specified in the parts below If necessary consult a list of formulas a State the null hypothesis Ho and the alternative hypothesis H H 0 H 0 b Determine the type of test statistic to use Choose one c Find the value of the test statistic Round to three or more decimal places d Find the two critical values at the 0 10 level of significance Round to three or more decimal places and e Can we conclude that the proportion of items that are overweight is different between the two types of English Air flights QYes No 3 X 4 0 0 X O S 2 O O P P OSO 020 S alo 0 0

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