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  2. Construct a 95 percent confidence interval for the difference between the proportions of service contracts sold on treadmills versus exercise bikes. Determine if there is or is not a major difference between the two pieces of equipment and provide a rationale for your response.

Construct a 95 percent confidence interval for the difference between the proportions of service contracts sold on treadmills versus exercise bikes. Determine if there is or is not a major difference between the two pieces of equipment and provide a rationale for your response.

Posted by:Brian Posted on:Nov 21,2020
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Suppose a sporting goods store sold treadmills, exercise bikes, and equipment service contracts over the past six months as shown in the table
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