Question: 1.) A random sample of44fields of barley has a mean yield of49.6 bushels per acre and standard deviation of7.99bushels per acre. Determine the99%confidence interval for

1.) A random sample of44fields of barley has a mean yield of49.6 bushels per acre and standard deviation of7.99bushels per acre. Determine the99%confidence interval for the true mean yield. Assume the population is approximately normal.

Step 1 of 2:Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.

2.) A random sample of44fields of barley has a mean yield of49.6bushels per acre and standard deviation of7.99bushels per acre. Determine the 99%confidence interval for the true mean yield. Assume the population is approximately normal.

Step 2 of 2:Construct the99%confidence interval. Round your answer to one decimal place.

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