Suppose you have 3 red marbles, 2 blue marbles, and 4 yellow marbles in a bag. What is the sample space for an experiment where you pull 2 marbles at random from the bag? Note: "R" = red marble, "B" = blue marble, and "Y" = yellow marble, so "RYB" means that you drew a red marble, then a yellow marble, then a blue marble. RR, RB, RY, BR, BB, BY, YR, YB, YY RR, BB, YY RB, RY, BR, BY, YR, YB RBY, RYB, RBR, RYR

Algebra and Trigonometry (6th Edition)
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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### Understanding Sample Spaces in Probability Experiments

In this exercise, we are going to explore the concept of sample spaces in probability experiments through a simple activity involving marbles. Here's the scenario:

#### Scenario
You have a bag containing:
- 3 red marbles
- 2 blue marbles
- 4 yellow marbles

Your task is to determine the sample space for an experiment where you pull 2 marbles at random from the bag. The sample space is the set of all possible outcomes of the experiment.

#### Notation
For this experiment:
- "R" represents a red marble
- "B" represents a blue marble
- "Y" represents a yellow marble

The sequences in the sample space account for the order in which the marbles are drawn. For instance, "RYB" means that you first drew a red marble, followed by a yellow marble, and then a blue marble.

#### Options Provided
Based on the description, the possible options for the correct sample space are:

1. **Option 1**
   - RR, RB, RY, BR, BB, BY, YR, YB, YY

2. **Option 2**
   - RR, BB, YY

3. **Option 3**
   - RB, RY, BR, BY, YR, YB

4. **Option 4**
   - RBY, RYB, RBR, RYR

#### Analysis
To determine the correct sample space, we need to consider that when pulling 2 marbles, the order of drawing each combination matters:

For example:
- Drawing a red marble first and then a blue marble (RB)
- Drawing a blue marble first and then a red marble (BR)

Hence, listing out all possible combinations considering the order for each pair is necessary.

After analyzing, you should identify that **Option 1** lists all possible combinations of two marbles drawn from the red, blue, and yellow marbles available in the bag.

Thus, the correct sample space is:
- RR, RB, RY, BR, BB, BY, YR, YB, YY

With this understanding, students can grasp how to enumerate all possible outcomes in a probability experiment, an essential skill in statistics and probability.
Transcribed Image Text:### Understanding Sample Spaces in Probability Experiments In this exercise, we are going to explore the concept of sample spaces in probability experiments through a simple activity involving marbles. Here's the scenario: #### Scenario You have a bag containing: - 3 red marbles - 2 blue marbles - 4 yellow marbles Your task is to determine the sample space for an experiment where you pull 2 marbles at random from the bag. The sample space is the set of all possible outcomes of the experiment. #### Notation For this experiment: - "R" represents a red marble - "B" represents a blue marble - "Y" represents a yellow marble The sequences in the sample space account for the order in which the marbles are drawn. For instance, "RYB" means that you first drew a red marble, followed by a yellow marble, and then a blue marble. #### Options Provided Based on the description, the possible options for the correct sample space are: 1. **Option 1** - RR, RB, RY, BR, BB, BY, YR, YB, YY 2. **Option 2** - RR, BB, YY 3. **Option 3** - RB, RY, BR, BY, YR, YB 4. **Option 4** - RBY, RYB, RBR, RYR #### Analysis To determine the correct sample space, we need to consider that when pulling 2 marbles, the order of drawing each combination matters: For example: - Drawing a red marble first and then a blue marble (RB) - Drawing a blue marble first and then a red marble (BR) Hence, listing out all possible combinations considering the order for each pair is necessary. After analyzing, you should identify that **Option 1** lists all possible combinations of two marbles drawn from the red, blue, and yellow marbles available in the bag. Thus, the correct sample space is: - RR, RB, RY, BR, BB, BY, YR, YB, YY With this understanding, students can grasp how to enumerate all possible outcomes in a probability experiment, an essential skill in statistics and probability.
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