Final answer:
To develop a probability model for the unfair spinner, determine the probabilities of each outcome based on the sizes of the sections.
Step-by-step explanation:
To develop a probability model for the unfair spinner, we need to determine the probabilities of each possible outcome. The spinner has sections labeled 1, 2, and 3, which are all twice as large as the sections labeled 4, 5, and 6.
Let's assume the total area of the spinner is 1 unit. The sections labeled 1, 2, and 3 each have an area of 2/9 while the sections labeled 4, 5, and 6 each have an area of 1/9.
Therefore, the probability of landing on a section labeled 1, 2, or 3 is 2/9, and the probability of landing on a section labeled 4, 5, or 6 is 1/9.