The Management of a Water Park Has Concerns About the Chlorine

question 46

Multiple Choice

The management of a water park has concerns about the chlorine level of 0.4% mg/mL increasing to an unsafe level.The management tests the hypothesis that the park's chlorine proportions have remained the same.An independent agency ran a test on a random sample size of $10000$ and found the chlorine level at 0.5% mg/mL.Create a 95% confidence interval for the proportion of chlorine in the water.

• A)Based on the data,we are 95% confident the proportion of chlorine in the water is between 0.102% and 0.898%.
• B)Based on the data,we are 95% confident the proportion of chlorine in the water is between 0.109% and 0.891%.
• C)Based on the data,we are 95% confident the proportion of chlorine in the water is between 0.362% and 0.638%.
• D)Based on the data,we are 95% confident the proportion of chlorine in the water is between 0.009% and 0.891%.
• E)Based on the data,we are 95% confident the proportion of chlorine in the water is between 0.4% and 0.6%.

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Definitions:

Scale 1:1

A drawing or model scale where one unit in the drawing or model is equal to one unit on the actual object, representing a real-life size.

Abbreviation R

Commonly represents "Radius" in technical drawings, indicating the measure of the distance from the center of a circle to its perimeter.

Concentric Circles

Circles that share the same center point but differ in radius.

Eccentric

Related to a mechanism or part of it that is off-center or not in the normal or expected position, often causing a deviation or irregular motion.