document.write( "Question 1177043: 38.) A test is made of H0: μ = 5 versus H1: μ < 5. A sample of size n = 87 is drawn, and = 4.5. The population standard deviation is σ = 25.
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Algebra.Com's Answer #805263 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi\r\n" );
document.write( "The population standard deviation is σ = 25, μ = 5\r\n" );
document.write( "Sample 87:  x̄ = 4.5\r\n" );
document.write( "α = 0.05 level - one tailed: z = -1.645\r\n" );
document.write( "Ho:  p = 5\r\n" );
document.write( "Ha:  p < 5\r\n" );
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document.write( "z = (4.5-5)sqrt(87)/25 = -.1865\r\n" );
document.write( " p = .426 > .05   Fail to Reject Ho.\r\n" );
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document.write( "Wish You the Best in your Studies.\r\n" );
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