FTCE General Knowledge Math Practice Test

What term describes the probability of drawing an even number from a set of odd and even numbers?

1. Independent Event

2. Dependent Event

3. Statistical Probability

4. Random Probability

The correct answer is: Statistical Probability

The term that best describes the probability of drawing an even number from a set of odd and even numbers is statistical probability. Statistical probability refers to the measure of the likelihood that a certain event will occur, calculated based on the ratio of the favorable outcomes (in this case, the even numbers) to the total possible outcomes (the total count of both odd and even numbers in the set). Understanding this concept is crucial because it provides a quantitative approach to analyzing uncertain events. For example, if there are five even numbers and three odd numbers in the set, the probability of drawing an even number would be 5 out of 8, or 0.625. The other terms listed, though related to concepts in probability, do not specifically define the situation of drawing numbers from a set in terms of likelihood based on counted outcomes. Independent events refer to situations where the outcome of one event does not affect the outcome of another. Dependent events are those where the outcome of one event does affect the outcome of another. Random probability typically refers to the likelihood of an event occurring without any predictable pattern, which can be broader and not directly applicable to the specific scenario described.