Risk Analysis An arborist performs an extensive risk analysis to help identify and treat tree diseases. How can this process be applied to other things? 1. Leaf loss is a common symptom of infested trees. Different pests cause the same thinning appearance in a tree's canopy, and a visual inspection alone cannot determine which specific insect is to blame.

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Date
Risk Analysis
An arborist performs an extensive risk analysis to help identify and treat tree diseases.
How can this process be applied to other things?
1. Leaf loss is a common symptom of infested trees. Different pests cause the same
thinning appearance in a tree's canopy, and a visual inspection alone cannot
determine which specific insect is to blame.
in
In one park, 30 trees experiencing canopy dieback were tested. The results showed
that 16 of the trees were infested with Japanese bark beetles, and 21 were infested
arthritis
with Emerald Ash borers.
a. How
F e the Venn diagram with your results.
a. How many trees have both beetles and borers? Explain your reasoning. Fill in
Japanese Bark Beetles
Emerald Ash Borers
You want to complete a risk analysis for a tree in the park chosen at random. Use
the diagram to find each probability. Express each probability as a fraction and as
a decimal.
b. Р(Вtles)
с. Р(Вorers)
d. P(Beetles only)
e. P(Borers only) =
f. P(Borers or Beetles) =
g. P(Borers and Beetles)
GOpyright © Big Ideas Learning, LLC
Geometry
1
Transcribed Image Text:Date Risk Analysis An arborist performs an extensive risk analysis to help identify and treat tree diseases. How can this process be applied to other things? 1. Leaf loss is a common symptom of infested trees. Different pests cause the same thinning appearance in a tree's canopy, and a visual inspection alone cannot determine which specific insect is to blame. in In one park, 30 trees experiencing canopy dieback were tested. The results showed that 16 of the trees were infested with Japanese bark beetles, and 21 were infested arthritis with Emerald Ash borers. a. How F e the Venn diagram with your results. a. How many trees have both beetles and borers? Explain your reasoning. Fill in Japanese Bark Beetles Emerald Ash Borers You want to complete a risk analysis for a tree in the park chosen at random. Use the diagram to find each probability. Express each probability as a fraction and as a decimal. b. Р(Вtles) с. Р(Вorers) d. P(Beetles only) e. P(Borers only) = f. P(Borers or Beetles) = g. P(Borers and Beetles) GOpyright © Big Ideas Learning, LLC Geometry 1
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