Discuss the Applications of Confidence Interval Estimation
Use the Table

question 31

Multiple Choice

Discuss the applications of confidence interval estimation
Use the table below to answer the following question(s) .
The historical data of Velvetta Inc., a healthcare products manufacturer, have shown that in a production process for filling bottles of shampoo, variance in the volume is constant; however, clogs in the filling machine often affect the mean volume. The historical standard deviation is 5 milliliters. In filling 250-milliliter bottles, a sample of 20 found a meanvolume of 242 milliliters. $$\begin{array} { | l | l | } \hline \text { Velvetta Inc. Shamp o0 } & \\\text { Production } & \\\hline \text { Alpha Vahe } & 0.05 \\\hline \text { Standard Deviation } & 5 \\\hline \text { Sample Size } & 20 \\\hline \text { Sample Mean } & 242 \\\hline\end{array}$$
-Based on the data in the table above, calculate the margin of error at 95% confidence interval.

• A) 1.84
• B) 2.19
• C) 2.51
• D) 1.96

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Definitions:

Body Temperature

The measurement of the warmth or coldness of the human body, typically maintained around 37°C (98.6°F) under normal conditions.

Tissues Moist

A description of tissues that contain or are covered in liquid, typically referring to the natural wetness in living tissues.

Enzyme Function

The role of an enzyme in catalyzing specific chemical reactions, speeding up the reaction without being consumed in the process.

pH

A measure of the acidity or alkalinity of a solution, with a range from 0 to 14.