We Can Use the Normal Distribution to Make Confidence Interval

question 55

Multiple Choice

We can use the normal distribution to make confidence interval estimates for the population proportion, p, when​

• A) ​np > 5.
• B) ​n(1 - p) > 5.
• C) ​p has a normal distribution.
• D) ​both np > 5 and n(1 - p) > 5.

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Definitions:

Margin of Error

The maximum amount by which the sample results are expected to differ from the true population value.

Null Hypothesis

A default hypothesis that there is no effect or no difference, and it is the hypothesis that researchers aim to test against.

Daily Production

The amount of output produced by a company, segment, or economy on a daily basis.

Population

The complete collection of people or objects being studied in a statistical review.