Podcast
Questions and Answers
What is a discrete random variable?
What is a discrete random variable?
- A function that can have an infinite number of outcomes
- A function that has countable outcomes (correct)
- A function whose value can be any real number
- A function that only yields positive outcomes
Which of the following is a characteristic of a binomial distribution?
Which of the following is a characteristic of a binomial distribution?
- It involves continuous random variables
- Each trial has only two possible results (correct)
- The mean and variance are interchangeable
- It has more than two possible outcomes
In a normal distribution, what does the standard deviation represent?
In a normal distribution, what does the standard deviation represent?
- The average outcome of the data
- How flat and wide the curve is (correct)
- The total area under the curve
- The highest point on the curve
What characterizes a continuous random variable?
What characterizes a continuous random variable?
What is the purpose of the Emperical Rule/Three Sigma Rule in normal distribution?
What is the purpose of the Emperical Rule/Three Sigma Rule in normal distribution?
Which distribution is associated with rare events or rare chances to happen?
Which distribution is associated with rare events or rare chances to happen?
What is the main characteristic of a discrete probability distribution?
What is the main characteristic of a discrete probability distribution?
Which distribution is associated with a process involving only two possible outcomes?
Which distribution is associated with a process involving only two possible outcomes?
What property must the values of a random variable follow in a discrete random variable?
What property must the values of a random variable follow in a discrete random variable?
In a normal distribution, which measure indicates how spread out the data is?
In a normal distribution, which measure indicates how spread out the data is?
Which probability distribution is used for rare events or rare chances to happen?
Which probability distribution is used for rare events or rare chances to happen?
What is the main characteristic that defines a continuous random variable?
What is the main characteristic that defines a continuous random variable?
Which of the following properties is true for a normal curve?
Which of the following properties is true for a normal curve?
What does the Three Sigma Rule state in relation to normal distributions?
What does the Three Sigma Rule state in relation to normal distributions?
What does the Emperical Rule provide in a normal distribution?
What does the Emperical Rule provide in a normal distribution?
'What function determines each element's real number value in a random variable?' is mostly associated with which concept?
'What function determines each element's real number value in a random variable?' is mostly associated with which concept?
