document.write( "Question 1191439: 13. Test at the 0.01 level the statement that 55% of those families who plan to purchase a vacation residence in Florida want a condominium. The null hypothesis is π = .55 and the alternate is π ≠ .55. A random sample of 300 families who planned to buy a vacation residence revealed that 218 families want a condominium. What decision should be made regarding the null hypothesis?
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document.write( "A. Reject it B. Do not reject it C. Cannot accept nor reject it based on the information given D. None of the above \n" );
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Algebra.Com's Answer #823556 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! Ho:p=0.55 \n" ); document.write( "Ha: pNE 0.55 \n" ); document.write( "alpha=0.05 p{reject Ho|Ho true}=0.01 \n" ); document.write( "test is a 1-sample proportion 2 sided, with critical value being |z|>2.576 \n" ); document.write( "p hat=218/300=0.727 \n" ); document.write( "z=(phat-p)/sqrt(0.55*0.45/300) \n" ); document.write( "=0.177/0.0287 \n" ); document.write( "6.16 \n" ); document.write( "reject Ho, choice A. \n" ); document.write( " |