Answer
**1. Possible Outcomes:**
- (1,1), (1,2), (1,3), (1,4)
- (2,1), (2,2), (2,3), (2,4)
- (3,1), (3,2), (3,3), (3,4)
- (4,1), (4,2), (4,3), (4,4)
- (5,1), (5,2), (5,3), (5,4)
- (6,1), (6,2), (6,3), (6,4)
**2. Events Are Compound Because:**
- Friend wins when rolling an odd number **and** spinning an even number.
- You win when rolling an even number **and** spinning an odd number.
**3. Winning Outcomes and Probabilities:**
- **Friend Wins:** 6 outcomes → 25%
- **You Win:** 6 outcomes → 25%
Solution
Let's break down each part of the problem step by step.
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### **1. List the Possible Outcomes for Playing the Game**
In this game, each play involves two actions:
- **Rolling a six-sided die** with numbers **1 through 6**.
- **Spinning a spinner** divided into **4 congruent sections** numbered **1 through 4**.
To list all possible outcomes, we consider every combination of die roll and spinner number. Each outcome can be represented as an ordered pair **(Die Number, Spinner Number)**.
Here are all the possible outcomes:
| Die Roll | Spinner Spin | Outcome |
|----------|--------------|---------|
| 1 | 1 | (1, 1) |
| 1 | 2 | (1, 2) |
| 1 | 3 | (1, 3) |
| 1 | 4 | (1, 4) |
| 2 | 1 | (2, 1) |
| 2 | 2 | (2, 2) |
| 2 | 3 | (2, 3) |
| 2 | 4 | (2, 4) |
| 3 | 1 | (3, 1) |
| 3 | 2 | (3, 2) |
| 3 | 3 | (3, 3) |
| 3 | 4 | (3, 4) |
| 4 | 1 | (4, 1) |
| 4 | 2 | (4, 2) |
| 4 | 3 | (4, 3) |
| 4 | 4 | (4, 4) |
| 5 | 1 | (5, 1) |
| 5 | 2 | (5, 2) |
| 5 | 3 | (5, 3) |
| 5 | 4 | (5, 4) |
| 6 | 1 | (6, 1) |
| 6 | 2 | (6, 2) |
| 6 | 3 | (6, 3) |
| 6 | 4 | (6, 4) |
**Total Possible Outcomes:** 6 (die) × 4 (spinner) = **24 outcomes**
---
### **2. Why Are the Events of Winning Compound Events?**
A **compound event** is an event that consists of **two or more simple events** happening together.
- **For Your Friend to Win:**
- **Rolling an Odd Number on the Die** *(Simple Event 1)*: Possible numbers are 1, 3, or 5.
- **Spinning an Even Number on the Spinner** *(Simple Event 2)*: Possible numbers are 2 or 4.
Both Simple Event 1 **and** Simple Event 2 must occur simultaneously for your friend to win.
- **For You to Win:**
- **Rolling an Even Number on the Die** *(Simple Event 1)*: Possible numbers are 2, 4, or 6.
- **Spinning an Odd Number on the Spinner** *(Simple Event 2)*: Possible numbers are 1 or 3.
Both Simple Event 1 **and** Simple Event 2 must occur simultaneously for you to win.
Since winning requires **combining two independent events**, both your friend's winning condition and your winning condition are **compound events**.
---
### **3. Outcomes for Winning Events and Their Probabilities**
Let's identify the specific outcomes that lead to either you or your friend winning and then calculate their probabilities.
#### **a. Outcomes Where Your Friend Wins**
**Winning Conditions:**
- **Die Roll:** Odd numbers (1, 3, 5)
- **Spinner Spin:** Even numbers (2, 4)
**Favorable Outcomes:**
| Die Roll | Spinner Spin | Outcome |
|----------|--------------|---------|
| 1 | 2 | (1, 2) |
| 1 | 4 | (1, 4) |
| 3 | 2 | (3, 2) |
| 3 | 4 | (3, 4) |
| 5 | 2 | (5, 2) |
| 5 | 4 | (5, 4) |
**Total Favorable Outcomes for Friend:** 6
**Probability Calculation:**
\[
\text{Probability} = \frac{\text{Number of Favorable Outcomes}}{\text{Total Possible Outcomes}} = \frac{6}{24} = \frac{1}{4} = 25\%
\]
#### **b. Outcomes Where You Win**
**Winning Conditions:**
- **Die Roll:** Even numbers (2, 4, 6)
- **Spinner Spin:** Odd numbers (1, 3)
**Favorable Outcomes:**
| Die Roll | Spinner Spin | Outcome |
|----------|--------------|---------|
| 2 | 1 | (2, 1) |
| 2 | 3 | (2, 3) |
| 4 | 1 | (4, 1) |
| 4 | 3 | (4, 3) |
| 6 | 1 | (6, 1) |
| 6 | 3 | (6, 3) |
**Total Favorable Outcomes for You:** 6
**Probability Calculation:**
\[
\text{Probability} = \frac{\text{Number of Favorable Outcomes}}{\text{Total Possible Outcomes}} = \frac{6}{24} = \frac{1}{4} = 25\%
\]
#### **c. Summary Table**
| Event | Number of Favorable Outcomes | Probability |
|-------------------------|------------------------------|-------------|
| **Friend Wins** | 6 | 25% |
| **You Win** | 6 | 25% |
---
**Note:** The remaining 12 outcomes (6 + 6) represent scenarios where neither you nor your friend wins. These could occur if:
- Your friend rolls an odd number and spins an odd number.
- Your friend rolls an even number and spins an even number.
- You roll an odd number and spin an even number.
- You roll an even number and spin an even number.
However, these are beyond the scope of the current questions.
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Reviewed and approved by the UpStudy tutoring team
Explain
Simplify this solution