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A restaurant owner claims the percentage of his customer distribution is Monday (10%), Tuesday (12%), Wednesday (10%), Thursday (15%), Friday (20%), and Saturday (33%). The restaurant closed on Sunday. IRS auditor's observation is Monday (20 customers), Tuesday (18 customers), Wednesday (24 customers), Thursday (30 customers), Friday (45 customers), and Saturday (63 customers). Total customer number is 200. Please use 95% confidence Chi-square Table to evaluate the owner's claim.

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