First USA a major credit company is planning a new offer for
First USA, a major credit company is planning a new offer for their current cardholders. The offer will give double airline miles if the cardholder registers online for the offer. To test the effectiveness of the campaign. First USA sent out offers to a random sample of 50,000 cardholders and 1184 registered. Find a 90% Confidence Interval for the true proportion of cardholders who will registers online for the offer. (z^0 = 1.645) Explain what the Cl means in the context of the problem If the acceptance rate is only 2% or less, the campaign won\'t be worth the expense. Given the confidence interval you found, would you say that the campaign is worth the expense
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