Cluster IV

Whlie in Las Vegas, Martin is playing craps (dice) at a table in the casino.  Using two six sided dice, he want to know the porbability of rolling doubles.  Of the possoble outcoms what is the probability of Marting rolling doubles on any given roll of the dice?

1. 6 out of 36

2. 6 out of 12
   

3. 5 out of 36
   

4. 50 - 50
   

Willie has a marble bag containing four marbles.  Each is a different color.  One blue, one red, one white, and one yellow.  If Willie were to pull the marbles out of the bag one at a time, placing them in the same order as he removed them from the bag, how many possible color combinations would he possible?

1. 16

2. 256
   

3. 24
   

4. 64
   

In a drawer are a number of toothpicks.  The toothpicks number five red, three yellow, and two green.  What is the probability of reaching into the drawer, without looking, and withdrawing a red and then a green toothpick?

1. 7out of 10
   

2. 7 out of 40
   

3. 1 out of 20
   

4. 1 out of 9
   

        Here are three multiple-choice problems.  Remember to limit yourself to about two minutes for each, just as is recommended on the HSPA.      

        Although the mathematics does not require a calculator, in some cases, your reasoning skills and understanding of mathematical concepts can lead you to the correct answer with no calculating at all. 

        Mouse over and click what you believe is the correct answer.  Do this after working it out on paper if need be.

You can do this!