Construct the probability distribution for the random variables described in each of the following situation given below.

1. Four are tossed. Let Y be the random variable that represent the number of tails that will occur. Find the values of random variable Y.

2. Five computers will be delivered to a certain school for testing, but three of them are defective. The principal will get two of these computers for his office let T represent the random variable representing the detective computers will occur. Find the values of random variable T.