A Recent National Poll Showed the Reading Habits of Adults

question 43

Multiple Choice

A recent national poll showed the reading habits of adults during the last 12 months: A poll in a small Midwestern town shows the following percentages:
The null hypothesis is: ______.

• A) the poll in the small Midwestern town is not based on a random sample
• B) the poll in the small Midwestern town is not accurate
• C) the sample size for the poll in the Midwestern town is not large enough
• D) the distributions are equal
• E) the poll in the small Midwestern town is based on a random sample

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Definitions:

InstanceOf Operator

The instanceOf operator in Java is used to check whether an object is an instance of a specific class or interface, returning true or false.

Downcasting

The process of converting a reference of a parent class to a reference of a subclass in object-oriented programming.

Polymorphism

A concept in object-oriented programming that allows methods to do different things based on the object that it is acting upon, supporting methods with the same name but different implementations.

Late Binding

A programming concept where method calls are resolved at runtime, allowing for more dynamic and flexible code.