Podcast
Questions and Answers
If a random variable can take on an infinite number of values, it is known as a:
If a random variable can take on an infinite number of values, it is known as a:
- Probability density function
- Continuous random variable (correct)
- Cumulative distribution function
- Discrete random variable
What does it mean if the probability of an event (P(A)) equals zero?
What does it mean if the probability of an event (P(A)) equals zero?
- Event A will almost definitely occur
- There is a strong chance that event A will occur
- Event A will almost definitely not occur (correct)
- There is only a small chance that event A will occur
In probability theory, what is the sum of probabilities for all possible outcomes in a statistical experiment equal to?
In probability theory, what is the sum of probabilities for all possible outcomes in a statistical experiment equal to?
- The number of outcomes
- Zero
- One (correct)
- The sample space
What is the probability of choosing a red marble from an urn with 10 marbles (2 red, 3 green, 5 blue) if one marble is randomly selected?
What is the probability of choosing a red marble from an urn with 10 marbles (2 red, 3 green, 5 blue) if one marble is randomly selected?
How is the probability of an event expressed mathematically?
How is the probability of an event expressed mathematically?
What is the term used in probability theory to describe a trial repeated multiple times to get a set of outcomes?
What is the term used in probability theory to describe a trial repeated multiple times to get a set of outcomes?
In the context of probability theory, what is a set of outcomes that forms a subset of the sample space called?
In the context of probability theory, what is a set of outcomes that forms a subset of the sample space called?
Which type of event in probability theory is affected by other events?
Which type of event in probability theory is affected by other events?
What is the formal concept in probability theory used to describe the likelihood of the occurrence of an event?
What is the formal concept in probability theory used to describe the likelihood of the occurrence of an event?
Which type of events in probability theory cannot take place at the same time?
Which type of events in probability theory cannot take place at the same time?
