question archive A farm association that grows and packs agricultural produce for the export market claims that its packages contain an average of 750 grams of tomatoes
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A farm association that grows and packs agricultural produce for the export market claims that its packages contain an average of 750 grams of tomatoes. To ensure that the company consistently meets this standard, the manager conducts a study to test H0: μ ≥ 750 against Ha: μ < 750. Based on previous studies, σ = 25. What sample size should the manager use if he wants a 0.90 probability of identifying when the mean weight falls short of 750 grams by 10 grams? Assume the significance is 0.01? ___________ (1 point)
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