Suppose you are ordering shirts for your organization.  The…

Suppose you are ordering shirts for your organization.  The shirts come in small, medium, large and extra-large.  In addition the shirts can be ordered in red, blue, gray and green.  Lastly the placement of the logo can be customized to be printed on the front of the shirt, on the back, or on the sleeves.  How many different styles of shirts can the members of your organization choose from?

The semester is almost done! You feel that the probability o…

The semester is almost done! You feel that the probability of getting an A in MA 311 is 0.7, the probability of getting an A in FM 201 is 0.8, and the probability of getting an A in MA 311 or FM 201 is 0.9. What is the probability that you will get an A in both courses this semester?