If the Standard Error of the Sampling Distribution of the Sample

question 5

Multiple Choice

If the standard error of the sampling distribution of the sample proportion is 0.02049 for samples of size 500, then what may we conclude about the population proportion?

• A) The population proportion must be either 0.2 or 0.8.
• B) The population proportion must be either 0.5 or 0.5.
• C) The population proportion must be either 0.3 or 0.7.
• D) The population proportion must be either 0.6 or 0.4.

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Definitions:

Probability

The assessment of the probability of an event happening.

Poisson Model

A statistical model used to predict the count of events that happen independently and with a known constant mean rate.

Exponential Distribution

A probability distribution used to model time until an event occurs, assuming events happen independently at a constant average rate.

Probability

The measure of the likelihood that an event will occur, represented as a number between 0 and 1.