The total number of seedlings is 100 + 140 + 80 + 60 + 40 = 420 seedlings.
The number of type B seedlings is 140.
So, the probability of randomly picking a type B plant is 140/420 = 1/3.
Probability of Chance Events Practice
Complete this assessment to review what you've learned. It will not count toward your grade.
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Question
Use the table to answer the question.
Plant Types A B C D E
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.
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