na test of the effectiveness of garlic for lowering cholesterol, 42 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment. The changes (before - after) in their evels of LDL cholesterol (in mg/dL) have a mean of 3.2 and a standard deviation of 17.1. Construct a 99% confidence interval estimate of the mean net change in LDL cholesterol after the garlic treatment. Click here to view at distribution table. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. What is the confidence interval estimate of the population mean u? Img/dl

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In a test of the effectiveness of garlic for lowering cholesterol, 42 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment. The changes (before - after) in their
levels of LDL cholesterol (in mg/dL) have a mean of 3.2 and a standard deviation of 17,1. Construct a 99% confidence interval estimate of the mean net change in LDL cholesterol after the garlic treatment.
Click here to view at distribution table.
Click here to view page 1 of the standard normal distribution table,
Click here to view page 2 of the standard normal distribution table.
What is the confidence interval estimate of the population mean u?
O mg/dL <u< mg/dL
(Round to two decimal places as needed.)
Transcribed Image Text:In a test of the effectiveness of garlic for lowering cholesterol, 42 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment. The changes (before - after) in their levels of LDL cholesterol (in mg/dL) have a mean of 3.2 and a standard deviation of 17,1. Construct a 99% confidence interval estimate of the mean net change in LDL cholesterol after the garlic treatment. Click here to view at distribution table. Click here to view page 1 of the standard normal distribution table, Click here to view page 2 of the standard normal distribution table. What is the confidence interval estimate of the population mean u? O mg/dL <u< mg/dL (Round to two decimal places as needed.)
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