Mathematics, 14.02.2020 05:10, chubnastii

Customer center operator. Raaj works at the customer service call center of a major credit card bank. Cardholders call for a variety of reasons, but regardless of their reason for calling, if they hold a platinum card, Raaj is instructed to offer them a double-miles promotion. About 12% of all cardholders hold platinum cards, and about 53% of those will take the double-miles promotion. On average, how many calls will Raaj have to take before finding the first cardholder to take the double-miles promotion?

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Customer center operator. Raaj works at the customer service call center of a major credit card bank...