SCENARIO 18-2
a Political Pollster Randomly Selects a Sample of 100

question 18

Multiple Choice

SCENARIO 18-2
A political pollster randomly selects a sample of 100 voters each day for 8 successive days and asks
how many will vote for the incumbent. The pollster wishes to construct a p chart to see if the
percentage favoring the incumbent candidate is too erratic. $$\begin{array} { c c } \begin{array} { c } \text { Sample } \\\underline{\text { (Day) }}\end{array} & \begin{array} { c } \text { Number Favoring } \\\underline{\text { Incumbent Candidate }}\end{array} \\ 1 & 57 \\2 & 57 \\3 & 53 \\4 & 51 \\5 & 55 \\6 & 60 \\7 & 56 \\8 & 59\end{array}$$
-Referring to Scenario 18-2, what is the numerical value of the upper control limit for the p chart?

• A) 0.92
• B) 0.89
• C) 0.71
• D) 0.62

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Definitions:

Protein Kinase C

An enzyme that modifies the function of proteins by chemically adding phosphate groups to them, playing a role in various cell signaling pathways.

Plasmodesmata

Microscopic channels that traverse the cell walls of plant cells and some algae, facilitating communication and transport between individual cells.

Signal Molecules

Chemicals produced by cells that are used to communicate with or signal other cells, leading to changes in cellular activities.

Phospholipase C

An enzyme that plays a key role in cell signaling, breaking down phospholipids to generate second messengers like diacylglycerol and inositol triphosphate.