A company is conducting a study on the effectiveness of its orthotic shoes among its 4,800 customers. There are five experimental groups, and the company randomly assigns 60 participants to each group. In the first group, 70% of participants said the shoes relieved their foot pain. Also, 60% of the second group, 45% of the third group, 55% of the fourth group, and 65% of the fifth group said the shoes relieved their pain. Of the company's customers, how many would be expected to experience pain relief from the shoes?
