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Unformatted text preview: d) d1) H0: population proportion is 0.5 ie 50% of students preferred brand A H1: population propeotion is greater than 0.5, tht is more than 50% students preferred brand A. D2) test statistic Z=pp0/ sqrt(p*(1p)/n) Z=1.26 D3) p=0.1038 D4) since p value is greater than 0.05, we accept the null hypothesis and conclude that p=0.5...
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This note was uploaded on 12/04/2011 for the course ECONOMICS 201 taught by Professor Rcollier during the Spring '10 term at Portland CC.
 Spring '10
 RCOLLIER

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