Before the Presidential Debates, It Was Expected That the Percentages

question 6

Essay

Before the presidential debates, it was expected that the percentages of registered voters in favor of various candidates would be as follows: $$\begin{array}{l}&\text { Percentages }\\\text { Democrats } & 48 \% \\\text { Republicans } & 38 \% \\\text { Independent } & 4 \% \\\text { Undecided } & 10 \%\end{array}$$ After the presidential debates, a random sample of 1200 voters showed that 540 favored the Democrat candidate; 480 were in favor of the Republican candidate; 40 were in favor of the Independent candidate, and 140 were undecided. At a 5% level of significance, carry out a test to determine if the proportion of voters has changed.

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Definitions:

Urine Output

The volume of urine excreted by the kidneys over a designated period of time, an important indicator of renal function and fluid balance.

Bedpan

A device used for the toileting of a bedridden patient in a health care facility or home care setting.

Graduated Container

A container marked with measurements, used for accurately measuring liquids or other substances.

Oliguria

A medical condition characterized by the production of abnormally small amounts of urine.