Use the Rule of Total Probability
-Suppose That There Are $\frac { 1 } { 3 }$

question 160

Multiple Choice

Use the Rule of Total Probability
-Suppose that there are two buckets. Bucket 1 contains 3 tennis balls and 5 ping -pong balls. Bucket 2 contains 4 tennis balls, 3 ping-pong balls, and 5 baseballs. An unfair coin will decide from which bucket we draw. Heads implies we draw from Bucket 1 and tails implies we draw from Bucket 2 . The probability of a heads is $\frac { 1 } { 3 }$ and the probability of a tails is $\frac { 2 } { 3 }$ . What is the probability of drawing a baseball?

• A) \(0.277\)
• B) \(0.723\)
• C) \(0.25\)
• D) \(0.417\)

---

Definitions:

Negatively Impact

To have a harmful or adverse effect on something.

Dominant Species

In a community, a species that as a result of its large biomass or abundance exerts a major influence on the distribution of populations of other species.

Common Species

A term referring to species that are frequently encountered within their habitat or geographical area, often well-adapted to living in human-altered environments.

Community

An assemblage of different populations that live together in a defined area and interact with each other.