what is probability question a how can one determine probabilities of having characteristic what is the probability of a characteristic how to find probability of a person belonging to each of the following groups? how to infer probability for a person belonging to both groups can a person from a specific group have a characteristic how to determine probability for a person in each group how do you calculate probability of a person in the same group what is the probability of someone belonging to both the group a and b having the same characteristic? what would make the possibility of a person from two different groups different how to determine probability of two individuals having some characteristic? how are probability questions used how to determine probability how to determine probability how can i calculate the probability of a person belonging to both groups having the same characteristic? a group has 20% chance of having some characteristic a group has 30% chance of having some characteristic a group has b has what is the probability of both group of persons having similar traits what is the probability that one person from each group has something similar? how can i calculate the probability of a person belonging to both groups having a given characteristic do i have to know the probabilities of each possible combination