We test nullh of no differ. in preference between wines the, Ask an Expert

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people taste wine A and wine B,X=denote the number prefer A Assume that all others prefer B.these people random sample.. 1- is X=9,a 95% CI for the true proportion who favour A is(.54,1) 2- if X=10,and we test nullH of no differ. in preference between wines the P-value is equal to.0020. why these 2 choices are wrong?? and how to find out P-value ??

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