9.A chi-square test for the above data gave a test statistic of 20.78. If we test at = 0.05 whichof the following is an appropriate conclusion?
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10.A survey was conducted to investigate whether alcohol consumption and smokingare related. In an SRS of 300 smokers, 196 said they had consumed alcohol at least once inthe past week. In an independent SRS of 300 non-smokers, 159 said they had consumedalcohol in the past week. Ifpsis the proportion of smokers in the population who have had adrink in the past week andpnsis the corresponding proportion of non-smokers, then a test ofthehypothesesH0:pspns0 against the two-sided alternative produces a test statistic of3.07 and aP-value of 0.002. If we had instead analyzed these results with a chi-square testof homogeneity, which of the following would be the test statistic andP-value?z=
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