document.write( "Question 865027: Suppose the alternative hypothesis in a hypothesis test is \"the population mean is greater than 60\". If the sample size is 80, σ is known, and alpha = .01, the critical value of z is _______.\r
\n" ); document.write( "\n" ); document.write( "a. 2.575
\n" ); document.write( "b. -2.575
\n" ); document.write( "c. 2.33
\n" ); document.write( "d. 2.45
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Algebra.Com's Answer #521452 by stanbon(75887)\"\" \"About 
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Suppose the alternative hypothesis in a hypothesis test is \"the population mean is greater than 60\".
\n" ); document.write( "Comment: This implies the test is a right-tail test.
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\n" ); document.write( "If the sample size is 80, σ is known, and alpha = .01, the critical value of z is invNorm(0.99) = 2.3263
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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\n" ); document.write( "a. 2.575
\n" ); document.write( "b. -2.575
\n" ); document.write( "c. 2.33
\n" ); document.write( "d. 2.45
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