Question
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Write out the sample space for the given experiment. Use the letter R to indicate red, G to indicate green, and B to indicate blue. A die shows 3 different colors on it. Give the sample space for the next 2 rolls.

Ask by Dickson Li. in the United States
Feb 21,2025

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Answer

The sample space for two rolls of the die is: - (R, R) - (R, G) - (R, B) - (G, R) - (G, G) - (G, B) - (B, R) - (B, G) - (B, B)

Solution

To determine the sample space for the experiment of rolling a die that shows three different colors (Red, Green, and Blue) for the next two rolls, we can follow these steps: 1. **Identify the possible outcomes for a single roll**: The die can show either Red (R), Green (G), or Blue (B). Therefore, the outcomes for one roll are: - R - G - B 2. **Determine the outcomes for two rolls**: Since each roll is independent, we can combine the outcomes of the first roll with the outcomes of the second roll. 3. **List all combinations**: The sample space for two rolls can be represented as pairs of outcomes (first roll, second roll). The combinations are: - (R, R) - (R, G) - (R, B) - (G, R) - (G, G) - (G, B) - (B, R) - (B, G) - (B, B) 4. **Write the sample space**: The complete sample space \( S \) for the two rolls can be expressed as: \[ S = \{ (R, R), (R, G), (R, B), (G, R), (G, G), (G, B), (B, R), (B, G), (B, B) \} \] Thus, the sample space for the next two rolls of the die is: \[ \{ (R, R), (R, G), (R, B), (G, R), (G, G), (G, B), (B, R), (B, G), (B, B) \} \]

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The Deep Dive

The sample space for two rolls of the die, which can show red (R), green (G), or blue (B), can be represented as all the possible combinations of colors for each roll. Thus, the sample space is: {RR, RG, RB, GR, GG, GB, BR, BG, BB}. There are a total of 9 outcomes since each roll has 3 possible colors, and you multiply the possibilities (3 x 3) for the two rolls. Exploring probability through this colorful die can lead to some fun discussions! You can ask, "What are the chances of rolling two reds back-to-back?" or "How likely am I to roll at least one blue in two rolls?" All these questions contribute to a deeper understanding of probability! For those curious about expanding their knowledge of probability, consider looking into how independent events work! Each roll of the die is an independent event, meaning the outcome of one doesn't affect the other. This principle can lead to exciting insights in more complex probability scenarios, such as card games or sports predictions!

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