document.write( "Question 65418: When driving and automobile to work you would think that half the turns would be right hand turns. When conducting a hypothesis test, out of 25 total turns on my route to work I found that 13 were right hand turns. using probability=.10 determine if the true proportion of right hand turns is actually equal to (.50) Are there legitimate factors which would make a driver have a larger or smaller proportion of right-hand turns? \n" ); document.write( "

Algebra.Com's Answer #45958 by stanbon(75887) $\"\"$ $\"About$

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When conducting a hypothesis test, out of 25 total turns on my route to work I found that 13 were right hand turns. using probability=.10 determine if the true proportion of right hand turns is actually equal to (.50) Are there legitimate factors which would make a driver have a larger or smaller proportion of right-hand turns?
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\n" ); document.write( "Ho: p=0.5
\n" ); document.write( "Ha: p not equal to 0.5
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\n" ); document.write( "n=25
\n" ); document.write( "x=13
\n" ); document.write( "p-hat=13/25=0.52
\n" ); document.write( "Critical Values are +1.645 and -1.645
\n" ); document.write( "Test Statistic = z=0.2
\n" ); document.write( "p-value=.84
\n" ); document.write( "Since p-value is greater than alpha=0.10 Fail to reject Ho.
\n" ); document.write( "Conclusion: Right and left turns are about 50%/50%
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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