document.write( "Question 899093: A student believes that no more than 20% of the students who finish a statistics course get an A. A random sample of 100 students was taken. Twenty-four percent of the students in the sample received A’s. At the 1% significance level, test the hypothesis that more than 20% of the students received A’s. \n" ); document.write( "

Algebra.Com's Answer #545192 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "Ho: p ≤ 0.2 (Hypothesis)
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document.write( "Ha: p > .2 \r
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document.write( "sample proportion = p-hat = .24
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document.write( "test stat:: z(0.24) = (0.24-0.2)/sqrt[0.2*0.8/100] = .04/.04 =  1
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document.write( "p-value = P(z > 1) = .1587  0r 15.87%
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document.write( "Conclusion: 
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document.write( "Since the p-value is greater than 1%, accept the Hypothesis \n" );
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