document.write( "Question 980421: A die is tossed 180 times with the following
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document.write( "results:
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document.write( "Is this a halanced die? Use a 0.01 level of significance.
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document.write( "10.80 In 100 tosses of a coin, 63 heads and 37 tails
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document.write( "are ohserved. Is this a balanced coin? Use a 0.05 level
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document.write( "of significance.\r
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document.write( "Kindly, Any one can advice my about it ? \n" );
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Algebra.Com's Answer #601623 by Fombitz(32388) You can put this solution on YOUR website! Looks like you have an incomplete first problem and a complete second problem. \n" ); document.write( "Here's what to do for both but I'll only use data from the second. \n" ); document.write( ", \n" ); document.write( ", \n" ); document.write( ", \n" ); document.write( "Hypothesis testing with a proportion. \n" ); document.write( "Balanced die would mean \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "Null hypothesis : \n" ); document.write( "Alternate hypothesis : \n" ); document.write( "Two tailed test, assume normality since \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "Find the standard deviation. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Find the z score. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "For 0.05 significance, the critical z score would be, \n" ); document.write( " \n" ); document.write( "Since you are outside the \"fail to reject\" region, you reject the null hypothesis. \n" ); document.write( "It is not a fair die. \n" ); document.write( " \n" ); document.write( " |