A Sample of Size 300 Is to Be Taken at Random

question 124

Multiple Choice

A sample of size 300 is to be taken at random from an infinite population. Given that the population proportion is 0.70, the probability that the sample proportion will be smaller than 0.75 is:

• A)0.9706.
• B)0.4772.
• C)0.4706.
• D)0.9772.

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Definitions:

Hypothesis

A suggested explanation for an observed occurrence, offered as a foundation for additional exploration.

Generalization

The process of applying findings from a sample to a larger population, assuming the sample is representative.

Validation

The process of verifying that a product, service, or system meets requirements and specifications and fulfills its intended purpose.

Control

In experimental research, the process of holding factors constant to isolate the effect of the independent variable on the dependent variable.