There are two boxes containing only purple and blue pens. Box A has  4  purple pens and  16  blue pens. Box B has  2  purple pens and  3  blue pens.   A pen is randomly chosen from each box. List these events from least likely to most likely. Event  1 : choosing a purple or blue pen from Box A. Event  2 : choosing a purple pen from Box B. Event  3 : choosing a green pen from Box B. Event  4 : choosing a purple pen from Box A.

A committee has seven members. There are three members that currently serve as the board's chairman, ranking member, and treasurer. Each member is equally likely to serve in any of the positions. Three members are randomly selected and assigned to be the new chairman, ranking member, and treasurer. What is the probability of randomly selecting the three members who currently hold the positions of chairman, ranking member, and treasurer and reassigning them to their current positions? The probability is. (Round to four decimal places as needed.) ←

In a pencil case there are 6 markers. One red, orange, yellow, green, blue, and purple. Three markers randomly fall out. List all the possible combinations in an organized list. What is the probability that one of the markers is blue?

A jar contains 12 marbles: four red, five blue, and three orange. If you pull three marbles without replacement, what is the probability of getting all three colors in the order of blue, orange and red? What is the probability of getting all orange? Give diagrammatic explanation else I will give down vote must be diagrammatic and proper Explaination don't copy and paste it.