# Question: Two balls are chosen randomly from an urn containing 8

Two balls are chosen randomly from an urn containing 8 white, 4 black, and 2 orange balls. Suppose that we win $2 for each black ball selected and we lose $1 for each white ball selected. Let X denote our winnings. What are the possible values of X, and what are the probabilities associated with each value?

## Relevant Questions

(a) An integer N is to be selected at random from {1, 2, . . . , (10)3} in the sense that each integer has the same probability of being selected. What is the probability that N will be divisible by 3? by 5? by 7? by 15? by ...Two fair dice are rolled. Let X equal the product of the 2 dice. Compute P{X = i} for i = 1, . . . , 36. There are two possible causes for a breakdown of a machine. To check the first possibility would cost C1 dollars, and, if that were the cause of the breakdown, the trouble could be repaired at a cost of R1 dollars. ...Five men and 5 women are ranked according to their scores on an examination. Assume that no two scores are alike and all 10! possible rankings are equally likely. Let X denote the highest ranking achieved by a woman. (For ...The monthly worldwide average number of airplane crashes of commercial airlines is 3.5. What is the probability that there will be (a) At least 2 such accidents in the next month; (b) At most 1 accident in the next month? ...Post your question