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Testing of hypothesis

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The breaking strengths of cables produced by a certain company are approximately normally distributed. The company announced that the mean breaking strength is 2140 pounds. with a standard deviation of 183 . 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 H 0 and the alternative hypothesis H1 they would use for this test.

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Solution Summary

This solution provides assistance in stating both the null and alternative hypothesis.

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