At a major credit card bank the percentages of people who hi

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. 78 applied for Silver, 69 for Gold and 53 for Platinum. Is there evidence to suggest that the percentages for this promotion may be different from the historical proportions Complete parts a through e below. If the customers apply for the three cards according to the historical proportions, about how bag on average would you expect the x^2 statistic to be The expected x^2 statistic is . The computed x^2 statistic for the given data is 70.500. Does this seem large in comparison to the mean in part a Explain briefly. Determine the null and alternative hypotheses. Choose the correct answer below. H_0: These customers are applying for cards in the traditional proportions. H_A: These customers are not applying for cards in the traditional proportions. H_0: These customers are applying for cards in the traditional proportions. H_A: All the card proportions are different from their traditional proportions. H_0: These customers are not applying for cards in the traditional propotions. H_A: These customers are applying for cards in the traditional proportions. What does the comparison in part b say about the null hypothesis.

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