document.write( "Question 1175557: For the following hypothesis test:
\n" ); document.write( "H0: μ ≤ 70
\n" ); document.write( "HA: μ > 70
\n" ); document.write( "with n = 20, x = 71.2, s = 6.9, and a = 0.1, state
\n" ); document.write( "a. the decision rule in terms of the critical value of the test statistic [2]
\n" ); document.write( "b. the calculated value of the test statistic [2]
\n" ); document.write( "c. the conclusion [1]
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Algebra.Com's Answer #801184 by Boreal(15235)\"\" \"About 
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One way test, reject if t0.90, df=19)>1.729
\n" ); document.write( "value is t=(71.2-70)/6.9/sqrt(20) note: x bar =71.2 to be more precise.
\n" ); document.write( "=1.2*sqrt(20)/6.9=0.7778
\n" ); document.write( "fail to reject Ho; p-value=0.22
\n" ); document.write( "insufficient evidence to assume the mean is > 70.
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