In 1992, the meteorological office predicted the weathers completely right for the months of february and april, and completely wrong for all the other months. What is the probability that the forecast was right for a given day that year?

A bag contains 3 red balls, 3 blue balls, and 9 green balls. Kieran draws 2 balls out of the bag. What is the probability that he gets a green ball and a blue ball?

Following chart shows number of students in a school who got distinction in one of three subjects. Find the number of students who got distinction in at least two subjects.

Katie and Anna sit on the 6-member board of directors for company P. If the board is to be split up into two 3-person subcommittees, what percent of all the possible subcommittees that include Anna also include Katie?