A study is made of residents in Phoenix and its suburbs concerning the proportion of residents who subscribe to Sporting News. A random sample of n, = 90 urban residents showed that r, = 13...

Extracted text: A study is made of residents in Phoenix and its suburbs concerning the proportion of residents who subscribe to Sporting News. A random sample of n, = 90 urban residents showed that r, = 13 subscribed, and a random sample of n, = 99 suburban residents showed that r, = 17 subscribed. Does this Indicate that a higher proportion of suburban residents subscribe to Sporting News? Use a 5% level of significance. what are we testing in this problem? O single mean O single proportion O difference of proportions O palred difference O difference of means (a) What is the level of significance? State the null and alternate hypotheses. O Ho Pa Pai H: P. Pa O H: P, < pai="" h:="" p.="" pa="" o="" hạ:="" p,="Pai" h="" p="">< pa="" o="" h:="" p="Pai" h="" p.="" pa="" (b)="" what="" sampling="" distribution="" will="" you="" use?="" what="" assumptions="" are="" you="" making?="" o="" the="" student's="" t.="" the="" number="" of="" trials="" is="" sufficiently="" large.="" o="" the="" standard="" normal.="" the="" number="" of="" tnals="" is="" sufficiently="" large.="" o="" the="" student's="" t.="" we="" assume="" the="" population="" distributions="" are="" approximately="" normal.="" o="" the="" standard="" normal.="" we="" assume="" the="" population="" distributions="" are="" approximately="" normal.="" what="" is="" the="" value="" of="" the="" sample="" test="" statistic="" (test="" the="" difference="" p,-p="" do="" not="" use="" rounded="" values.="" round="" your="" tinal="" answer="" to="" two="" decimal="" places="" (c)="" find="" (or="" estimate)="" the="" avalue="" o="" pvalue="" 0.250="" o="" 0.125="">< p.value=""><0.250 o="" 0.050="">< pvalue="" 0.050="" o="" 0.00s="">< p-value0.02s="" opvalue="" 0.005="" sketch="" the="" sampling="" distibuion="" o="">