### Home > MC2 > Chapter 2 > Lesson 2.2.4 > Problem 2-78

2-78.

Refer to problem 2-50 for more help.

Determine the number of beads in the bag.

Total number of beads = 35

Divide the number of metal beads by the total number

Use the same method as part (a).

Use the same method as part (a).

Use the eTool below to test the probability of each part.

Click the link at right for the full version of the eTool: MC2 2-78 HW eTool