Instruction 4.9
A sample of 300 adults is selected. The contingency table below shows their registration status and their preferred source of information on current events.
-Referring to Instruction 4.9,if an adult is selected at random,what is the probability that he/she is not a registered voter or does not prefer to get his/her current information from the Internet?
Definitions:
Two-tailed
A type of statistical test that considers both directions of a possible effect, looking for deviations from a null hypothesis in two opposite directions.
Nondirectional
A hypothesis that does not predict the specific direction of the relationship between variables.
Null Hypothesis
A statement in research that posits there is no difference or relationship between certain variables, testing against an alternative hypothesis.
Predicts Direction
Indicates whether a relationship between two variables is positive or negative, without specifying strength or statistical significance.
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