Statistics Week 4

Suppose  that a class contains 15 boys and 30 girls, and that 10 students are to  be selected at random for a special assignment. Find the probability  that exactly 3 boys will be selected.  

Please  keep in mind that my evaluation of your post will be based on the  extent to which you participated and fostered a positive and effective  learning environment--for yourself and others.  Participating and  sharing are the keys.  Naturally, simply copying another person's post  is prohibited.   

Instructions: 

To make a post to this week's Discussion Forum, click on the Counting Isn't Always Easy link, then click Start a New Conversation.   In the title block of the dialog box that appears insert your first and  last name; compose your post in the message box--do not make your post  in an attachment; and then click Post Message.

Your  initial post(6 points) should reflect your understanding of the  question posed.  In addition to the computations you employed to arrive  at your response, your post must contain comments regarding the  rationale for the approach you utilized.  Simply listing an answer is of  no real value in promoting a discussion..