Podcast
Questions and Answers
Which distribution is commonly used to model the time until the next event in a sequence of independent events with a constant average rate?
Which distribution is commonly used to model the time until the next event in a sequence of independent events with a constant average rate?
- Exponential Distribution (correct)
- Erlang Distribution
- Normal Distribution
- Lognormal Distribution
Which distribution is symmetric and bell-shaped, making it suitable for modeling many natural phenomena?
Which distribution is symmetric and bell-shaped, making it suitable for modeling many natural phenomena?
- Normal Distribution (correct)
- Exponential Distribution
- Uniform Distribution
- Beta Distribution
What is the probability density function used to determine probabilities for a continuous random variable?
What is the probability density function used to determine probabilities for a continuous random variable?
- Exponential Distribution
- Cumulative Distribution Function
- Normal Distribution
- Probability Density Function (correct)
What is the mean of a continuous random variable?
What is the mean of a continuous random variable?
Which distribution has the property that any linear combination of two independent random variables with this distribution also has this distribution?
Which distribution has the property that any linear combination of two independent random variables with this distribution also has this distribution?
For what kind of applications would one typically select the Beta Distribution for calculating probabilities?
For what kind of applications would one typically select the Beta Distribution for calculating probabilities?
What does a probability density function describe for a continuous random variable?
What does a probability density function describe for a continuous random variable?
In a histogram, what does the height of each rectangle represent?
In a histogram, what does the height of each rectangle represent?
What does a cumulative distribution function of a standard normal distribution help to calculate?
What does a cumulative distribution function of a standard normal distribution help to calculate?
What does the loading on the beam between points a & b represent when integrating the density function?
What does the loading on the beam between points a & b represent when integrating the density function?
What feature must a probability density function always have?
What feature must a probability density function always have?
What does a continuous random variable represent?
What does a continuous random variable represent?
What does the number of possible values of a continuous random variable depend on?
What does the number of possible values of a continuous random variable depend on?
What type of distribution does a probability density function describe?
What type of distribution does a probability density function describe?
What does a histogram display?
What does a histogram display?
