4. A die is fabricated so that all the numbers have the same chances of occurrence except for the number i whose chance of coming up is three times the chance of any other number coming up. Find the probabilities of the following events. a. Event that 1 comes up in a single toss. b. Event of observing an odd number in a single toss. c. Event observing a number greater than 4 in a single toss. 5. A committee of three is to be formed from a group of 12 members; in which there are 6 females and 6 males. What is probability' that the committee will be composed of 2 males and 1 female