A Quality Control Inspector Keeps a Tally Sheet of the Numbers

question 50

Essay

A quality control inspector keeps a tally sheet of the numbers of acceptable and unacceptable products that come off two different production lines. The completed sheet is shown below. $$\begin{array} { | c | c | c | } \hline \text { Production line } & \begin{array} { c } \text { Acceptable } \\\text { products }\end{array} & \begin{array} { c } \text { Unacceptable } \\\text { products }\end{array} \\\hline 1 & 152 & 48 \\\hline 2 & 136 & 54 \\\hline\end{array}$$ a. What is the p-value of the test?
b. Estimate with 95% confidence the difference in population proportions.

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Definitions:

Schedule A

A form attached to Form 1040 allowing taxpayers to itemize deductions such as medical expenses, taxes paid, interest, and charitable contributions.

Theft Losses

Financial deductions allowed for stolen property, subject to certain conditions and limitations.

Tax Year

The 12-month period for which an individual or entity reports income and files a tax return, which may align with the calendar year or a fiscal year.

Personal Casualty Losses

are financial losses resulting from the damage, destruction, or loss of personal property from sudden, unexpected, or unusual events.