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发帖数: 65 | 1 case study: credit card insurance profit per customer cost
of mailing $0.5, response rate 1%, average balance per month $1000,
insurance charges 1% of average balance monthly, customer claim rate 5% (
once insured customer files a claim, the balance will be wiped and C1 lose $
1000). Question: profit per customer, graph claim rate vs response rate,
graph profit vs response rate and find the response rate for maximum profit
。。
1. profit=1000 * 0.01 *12* 0.01-0.5- 1000*0.01*0.05 =0.2
2. 卡住了。。这个关系怎么求，profit，claim rate 还有response 都是变量的话？
难道设置profit=0？ 求教！ |
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