Concept explainers
a.
Probability of randomly selecting the given marbles for the given event.
a.
Answer to Problem 4CR
Probability of randomly selecting the marbles for replacing the first marble before drawing the second is
Explanation of Solution
Given information:
Event: Replacing the first marble before drawing the second. (first marble is blue)
Calculation:
It is given that; there are
Event
As one replaces the first marble before selecting the second, the events are independent.
The required probability is,
Hence, Probability of randomly selecting the marbles is
b.
Probability of randomly selecting the given marbles for the given event.
b.
Answer to Problem 4CR
Probability of randomly selecting the marbles for do not replace the first marble is
Explanation of Solution
Given information:
Event: Do not replace the first marble. (Second marble is green)
Calculation:
It is given that; there are
Because one do not replace the first marble before drawing the second one, the events are dependent.
The required probability is,
Hence, Probability of randomly selecting the marbles is
Chapter 10 Solutions
Big Ideas Math A Bridge To Success Algebra 2: Student Edition 2015
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