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The production of pasture grass for hay is an important agricultural product. A new type of...

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Basic Math

The production of pasture grass for hay is an importantagricultural product. A new type of grass, called Teff Grass isadvertised to produce 2 ton of hay per acre on the first cutting.Twenty-five test plots of this new grass resulted in averageproduction of 1.92 ton per acre on the first cutting with astandard deviation of 0.40 ton. Assume that the production of hayis a normally distributed random variable, which is a necessaryassumption with this small sample.

  1. What is the 99% confidence interval to estimate the parameterbased on these data?
  2. Does the above confidence interval contain the hypothesizedparameter value in this case? Write a sentence about what theconfidence interval indicates about the parameter value.

Answer & Explanation Solved by verified expert
3.5 Ratings (374 Votes)
SolutionGivenSample size n 25Sample mean Sample standard deviation s 040Population mean Part aWe have to find the 99    See Answer
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