In Testing a Proportion, Which of the Following Statements Is

question 131

Multiple Choice

In testing a proportion, which of the following statements is incorrect?

• A)Using α = .05 rather than α = .01 would make it more likely that H₀ will be rejected.
• B)When the sample proportion is p = .02 and n = 150, it is safe to assume normality.
• C)An 80 percent confidence interval is narrower than the 90 percent confidence interval, ceteris paribus.
• D)The sample proportion may be assumed approximately normal if the sample is large enough.

---

Definitions:

Vertical

Referring to the upward or downward direction in a structure or representation, often used to describe the arrangement of components or data.

Input

Input refers to the data or signals that are fed into a system or device for processing or for affecting its operation.

Output

The information or signals produced by a system or device as a result of its processing or control functions.

PLC Program

A sequence of instructions written for a Programmable Logic Controller (PLC) to automate machinery or processes.