Answer:
The probability is 53.33%.
Step-by-step explanation:
A model builder has 30 pieces of balsa wood in a box.
4 pieces are 15 inches long.
10 pieces are 12 inches long.
Says rest are 8 inches. So, rest are
16 pieces are 8 inches long.
Now, we have to tell the probability the builder will pull an 8-inch piece from the box without looking.
The probability is given by=
Hence, the probability is : or
If we want this in percentage this is 53.33%.