document.write( "Question 193168: The breaking strengths of cables produced by a certain company are approximately normally distributed. The company announced that the mean breaking strength is 220 pounds. with a standard deviation of 188. A consumer protection agency claims that the actual standard deviation is higher. Suppose that the consumer agency wants to carry out a hypothesis test to see if its claim can be supported. State the null hypothesis Ho and the alternative hypothesis H1 they would use for this test. \r
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document.write( "Ho:
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Algebra.Com's Answer #145062 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The breaking strengths of cables produced by a certain company are approximately normally distributed. The company announced that the mean breaking strength is 220 pounds. with a standard deviation of 188. A consumer protection agency claims that the actual standard deviation is higher. Suppose that the consumer agency wants to carry out a hypothesis test to see if its claim can be supported. State the null hypothesis Ho and the alternative hypothesis H1 they would use for this test. \n" ); document.write( "Ho: u = 220 \n" ); document.write( "H1: u > 220 \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |