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Crop researchers plant 100 plots with a new variety of corn. The average yield f...
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Crop researchers plant 100 plots with a new variety of corn. The average yield for these plots is
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= 130 bushels per acre. Assume that the yield per acre for the new variety of corn follows a normal distribution with unknown mean µ and standard deviation σ = 20 bushels per acre. A 90% confidence interval for µ is:✅
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