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In 1965 about 44 of the U S adult population had never smoked cigarettes A...

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In 1965 about 44 of the U S adult population had never smoked cigarettes A national health survey of 1472 U S adults presumably selected randomly during 2010 revealed that 677 had never smoked cigarettes Suppose you wished to test whether there has been a change since 1965 in the proportion of U S adults who have never smoked cigarettes Based on the data you are not sure whether the proportion has increased or decreased Which of the following are the appropriate hypotheses O A Ho 0 44 Ha 0 44 O B Ho p 0 51 Ha p 0 51 OC Ho p 0 44 Ha p 0 44 O D Ho p 0 44 Ha p 0 44

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