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Mathematics, 26.05.2021 01:00 cravetyler3989

A sample of 20 heads of lettuce was selected. Assume that the population distribution of head weight is normal. The weight of each head of lettuce was the recorded. The mean weight was 2.2 pounds with a standard deviation of 0.1 pounds. The population standard deviation is known to be 0.2 pounds
Construct a 95% confidence interval for the population mean weight of the heads of lettuce. State the confidence interval. (Round your answers to two decimal places)
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Sketch the graph (Round your answers to two decimal places)
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Calculate the error bound (Round your answer to two decimal places)


A sample of 20 heads of lettuce was selected. Assume that the population distribution of head weigh

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A sample of 20 heads of lettuce was selected. Assume that the population distribution of head weight...
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