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 - 13 subscribed, and a random sample of ng - 95 suburban residents showed that ra- 21 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 difference of means O single proportion O single mean O difference of proportions O paired difference (a) What is the level of significance? State the null and alternate hypotheses. O Họi P - Pzi H: P < P2 O Ho: P "Pai H: P > P2 O Họ: P- Pai H: P P2 O Ho: P 0.250 O 0.125 < P-value < 0.250 O 0.050 < P.value < 0.125 O 0.025 < Pvalue < 0.050 O 0.005 < P-value < 0.025 O P-value < 0.005

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