One of the mall's owner interested in the number of customers buying the product is 1000 baht per purchase money 1st time of 10.00-12.00, military watches, so check random data in the past days, the days that come to 210 customers purchase total exceed 1000 baht's information as follows:The number of customers.The number of days purchased exceeds 1000.Behold the test that the number of customers who buy items at a time, in the amount exceeding 1000 baht distribution pua sachets average equal to 2 people using.
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