Assume the Following Variables Have Been Declared and Given Values

question 103

Multiple Choice

Assume the following variables have been declared and given values as shown:
String str = "0123456789";
String sub = str.substring(3, 4) ;
Which is the value of sub?

• A)3
• B)34
• C)345
• D)3456

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Definitions:

Null Hypothesis

A hypothesis used in statistical testing that suggests no significant effect or association between variables, often symbolized as H0.

Disapproval Rate

The percentage of respondents in a survey or study who express a negative opinion about a particular topic or issue.

Political Committee

An organization that gathers contributions or makes expenditures under certain regulatory frameworks with the aim of influencing electoral outcomes or policy decisions.

Null Hypotheses

A statement in statistical testing that assumes no effect or no difference between groups or variables.