What is a random variable in probability theory?
- A factor that doesn't change
- A variable that can take on different values, each with an associated probability
- An unknown variable
- An unpredictable factor
A random variable in probability theory is a variable that can take on different values, each with an associated probability. It's not "random" in the everyday sense of the word, but its exact value is uncertain until it's observed.
Loading...
Related Quiz
- How does the confidence level of an interval influence the width of that interval?
- The term '________' refers to the sharpness of the peak of a frequency-distribution curve.
- The ________ of a random variable is the sum of the probabilities of all possible outcomes.
- What is the difference between frequentist and Bayesian statistics?
- Can Pearson's Correlation Coefficient be used with non-linear relationships?