2-12-5

Using Probability

Example 2: To obtain the product data when a two six-sided die are thrown 150 times

(This example assumes you are continuing from Example 1.)

(1)Tap Pto display the Probability dialog box.

(2)Tap the button next to “2 Dice `” to select it.

(3)Enter 150 into the “Number of trials” box.

•Leave the value in the “Number of faces” box at it initial default value (6).

(4)Tap [OK].

•The result will appear in the Probability window.

Example 3: After putting 10 A-balls, 2- B-balls, and 30 C-balls into a box, determine how many times each type of ball will be drawn when there is a total of 50 draws. Each time a ball is drawn, it should be replaced into the box before the next draw.

(This example assumes you are continuing from Example 2.)

(1)Tap Pto display the Probability dialog box.

(2)Tap the button next to “Container” to select it.

20060301