What is the probability, expressed using any of the four methods, that it will land on. an even number?

There are two possible outcomes that are even numbers (2, 4) out of a total of four possible outcomes (1, 2, 3, 4) when rolling a fair 4-sided die. Therefore, the probability of landing on an even number is:

1. Classic probability method: P(even number) = Number of favorable outcomes / Total number of outcomes = 2/4 = 0.5.

2. Relative frequency method: P(even number) = Frequency of even numbers / Total number of rolls = 2/4 = 0.5.

3. Subjective probability method: P(even number) = Personal belief or intuition = 0.5.

4. Axiomatic probability method: P(even number) = Properties of a fair die = 0.5.