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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, 53 for Gold and 37 for Platinum. Complete parts a through c below. Select the cards that have particularly large standardized residuals. Select all that apply A. The platinum card B. The gold card □ C. The silver card D. None of the cards c) What does the answer to part b say about this new group of customers? ○ A. There is no significant difference in proportions for this new group of customers B. The main difference in the proportions for this group is the increase in the number of customers applying for the platinum card O C. The main difference in the proportions for this group is the decrease in the number of customers applying for the silver card. O D. The main difference in the proportions for this group is the increase in the number of customers applying for the gold card.

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