Use the table to answer the question.

Plant Types
B
C DE
Number of Seedlings 100 140
80
60
40
A farmer conducted an inventory on his two square kilometers of rainforest, the results are in the table. He plans on randomly selecting a seedling to experiment on when he goes back to the forest. What is the probability that he will randomly pick a type B plant? Write your answer in the simplest form of a fraction.

Bot GPT 3.5 Bot GPT 3.5 answered

The total number of seedlings is 100 + 140 + 80 + 60 + 40 = 420.

The number of type B seedlings is 100.

Therefore, the probability of randomly picking a type B plant is 100/420 = 5/21.