Are data at the level of measurement considered or ?
4. Probability
Basic Concepts of Probability
- Multiple Choice32views
- Multiple Choice
In the context of probability, which of the following best describes a distribution as compared to a distribution?
28views - Multiple ChoiceA bag contains 25 marbles, of which 3 are blue and the rest are non-blue. If one marble is selected at random, what is the probability of picking a blue marble?2views
- Multiple Choice
If you roll a fair -sided die, what is the probability of the complement of the event rolling a number less than ?
26views - Multiple Choice
In probability theory, what is the main difference between an and an ?
21views - Multiple ChoiceIn basic probability, what is the probability of an event that is certain to occur?2views
- Multiple Choice
In the context of a chart, which of the following best describes the assumption about the sample size for each subgroup?
30views - Multiple Choice
Which of the following best defines a binary variable?
26views - Multiple Choice
In probability, what is the probability of an event that occurs times out of equally likely trials?
34views - Multiple Choice
In a survey, people are classified based on whether they can see the sunrise, the sunset, both, or neither. Which of the following best describes the joint relative frequency for the people who can only see the sunset?
26views - Multiple Choice
In a standard deck of playing cards, what is the probability of not drawing a face card (Jack, Queen, or King) in a single random draw?
27views - Multiple Choice
Suppose the probability that a flight is on time is , the probability that it is less than minutes late is , and the probability that it is more than minutes late is . What is the probability that the flight will be no more than minutes late (to
2 decimals)?12views - Multiple Choice
Which of the following best describes the difference between data and data?
20views - Multiple Choice
In the context of probability and statistics, what does the error (accuracy of a poll) expressed as a percentage most commonly represent?
27views - Multiple ChoiceIn basic probability, which of the following values cannot be a probability of an event?2views