Test Hypotheses About a Population Proportion
-An Event Is Considered $0.05$

question 49

Short Answer

Test Hypotheses about a Population Proportion
-An event is considered unusual if the probability of observing the event is
A) less than $0.05$
B) less than $0.025$
C) less than $0.10$
D) greater than $0.95$

• A) less than \(0.05\)
• B) less than \(0.025\)
• C) less than \(0.10\)
• D) greater than \(0.95\)

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Definitions:

Double-Blind Experiment

A scientific experiment setup where neither the participants nor the experimenters know which participants are receiving the test treatment, to prevent bias.

Independent Variable

The condition or factor that is manipulated by a researcher to determine its effect on a dependent variable in an experiment.

Independent Variable

The experimental element that is manipulated to observe its effects on the dependent variable within a study.

Dependent Variable

In experimental research, it is the variable that is being tested and measured, expected to change as a result of modifications to the independent variable.