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Confidence interval for the mean yield per acre

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An agricultural researcher studies the yield of a new variety of yellow corn. Assume that the yield per acre for the new variety of yellow corn follows a normal distribution with an unknown mean and a population standard deviation of s = 10 bushels per acre. The researcher plants 36 plots.

If the average yield for these 36 plots is 150 bushels per acre, what is a 90% confidence interval for the mean yield per acre for the new variety of yellow corn? Recall that z*=1.645 for 90% confidence.

Reference no: EM132495289

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