Question: A mail order discount outlet for running shoes has found that
A mail-order discount outlet for running shoes has found that 20% of the orders sent to new customers end up being returned for refund or exchange because of size or fit problems experienced by the customer. The 100-member Connor County Jogging Society has just found out about this mail-order source and each member has ordered a pair of running shoes. The group-orders manager of the mail-order firm has promised the club a 15% discount on its next order if 10 or more of the pairs ordered must be returned because of size or fit problems. What is the probability that the club will get 15% off on its next order?
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