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Question

At a major credit card bank, the percentages of people who historically apply for the Silver, Gold, and Platinum cards are $60 \%, 30 \%$, and $10 \%$, respectively. In a recent sample of customers responding to a promotion, of 200 customers, 110 applied for Silver, 55 for Gold, and 35 for Platinum. Is there proof to indicate that the percentages for this promotion may be different from the historical proportions?

e) Using the critical value, what do you conclude about the null hypothesis at $\alpha=0.05$?

Solution

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Answered 1 year ago

Step 1

1 of 8**e)**

The goal of this part is to decide whether to reject or fail to reject the null hypothesis.

*What are the null and alternative hypotheses?*

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