What Is a Characteristic of the Mass Function of a Discrete

question 104

Multiple Choice

What is a characteristic of the mass function of a discrete random variable X?

• A) The sum of probabilities P(X =x)over all possible values x is 1.
• B) For every possible value x,the probability P(X =x)is between 0 and 1.
• C) Describes all possible values x with the associated probabilities P(X =x).
• D) All the above.

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Definitions:

Criminal Trial

A legal proceeding in which a person accused of a crime is tried in a court of law, where evidence is presented to determine guilt or innocence.

Null Hypothesis

A hypothesis that assumes no significant difference or effect, serving as the default assumption in hypothesis testing.

Type I Error

The mistake of rejecting a true null hypothesis, also known as a "false positive".

Type II Error

A statistical error that occurs when the null hypothesis is not rejected when it is false, also known as a "false negative" finding.