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Proportion Assignment A nationwide study of American homeowners revealed that 65% have one or more lawnmowers. A lawn equipment manufacturer, located in Omaha, feels the estimate is too low for households in Omaha. Find for a test of the claim that the proportion with lawnmowers in Omaha is higher than 65%. Among 497 randomly selected homes in Omaha, 340 had one or more lawnmowers. Get Statistics homework help today