Quiz 3 Flashcards
What is the probability of rolling a 5 OR a 6 with one roll of a fair die?
0.5
0.167
0.25
0.33
0.33
Which of the following is TRUE regarding probability functions?
The probability function for any event can range from -1.0 to +1.0.
The probability function of all possible outcomes added together is equal to 1.0.
The probability function refers to the mathematical equations that are accessible for a probability analysis.
The probability function is defined as the equation that predicts the likelihood of a particular outcome of an experiment.
The probability function of all possible outcomes added together is equal to 1.0.
Which of the following statements is NOT TRUE regarding probability?
Probability outcomes are typically used to make an inference.
It must consider all possible outcomes of a selection.
In some instances, the probability value can exceed 1.0.
The symbol āpā is typically used.
In some instances, the probability value can exceed 1.0.
The sample space related to a probability analysis refers to:
The total number of potential participants for a research study.
The size of a unique population to which a research study is aimed.
The size of a research sample necessary to prove a research hypothesis.
The total number of elements in a set of data available for selection.
The total number of elements in a set of data available for selection.
The first addition rule of probabilities:
Is a special case of the 2nd rule of probabilities.
Deals with situations that are not mutually exclusive.
Has a special case that considers non-mutually exclusive events.
Considers the intersection of two or more possible outcomes.
Has a special case that considers non-mutually exclusive events.
