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| The size of a sample designed for dual-purpose testing should be A. The combined total of the samples that would otherwise have been designed for the two separate purposes. B. More than the larger of the samples that would otherwise have been designated for the two separate purposes, but less than the combined total of the samples that would otherwise have been designed for the two separate purposes. C. The smaller of the samples that would otherwise have been designed for the two separate purposes. D. The larger of the samples that would otherwise have been designed for the two separate purposes. |