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A researcher randomly selects and measures the volumes of the contents of 15 bot

ID: 2945875 • Letter: A

Question

A researcher randomly selects and measures the volumes of the contents of 15 bottles of cough syrup. Assume the sample is taken from a normally distributed population. The 95% confidence interval for the population standard deviation ? is (0.024200418). The population standard deviation of the volumes of the bottles' contents should be less than 0 21 fluid ounce. Does the confidence interval or? suggest hat the var at on n he vo meso the bo es contents s at an acceptable level? Explain your reasoning Choose the correct answer below OA. No, because all values contained in the confidence interval are greater than 0.021 O B. Yes, because all values contained in the confidence interval are less than 0.021. ° C. Yes, because all values contained in the confidence interval are greater than 0.021. O D. Yes, because 0.021 is contained in the confidence interval O E. No, because all values contained in the confidence interval are less than 0.021 O F. No, because 0.021 is contained in the confidence interval.

Explanation / Answer

Given confidence interval (0.0242,0.0418)

Acceptable level less-than 0.021

Thefore answer is

Option A

No, because all values greater than 0.021

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