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(Solved) In order to test the claim that the proportion of republican voters in a particular city is less than 60 percent, a random sample of 150 voters was


In order to test the claim that the proportion of republican voters in a particular city is less than 60 percent, a random sample of 150 voters was selected and found to consist of 52 percent Republicans. What is the p-value for this sample?

0.0325

0.0025

0.0169

0.0668



P(z<-1.50) = 0.5 - 0.4332 = 0.0668



How is this calculated? The answer shows that in the numerator of the formula, you are subtracting P-pi and those numbers are .54-.6. Where is the .54 for P coming from? I am unable to calculate .54 as being P from any of the information given.... Thank you!

 


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