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To calculate the probability that a randomly chosen person is under 18 or employed part-time, we first need to identify the relevant data from the table and then compute the total population and the favorable outcomes.

### Step 1: Extract the relevant data
From the table:

- **Under 18 (Age group 0–17):**
  - Full-time: 21
  - Part-time: 169
  - Unemployed: 250
  - Total for this group = \( 21 + 169 + 250 = 440 \)

- **Part-time employment in other age groups:**
  - 18–25: 199
  - 26–34: 69
  - 35–49: 192
  - 50+: 163
  - Total part-time employed (excluding under 18) = \( 199 + 69 + 192 + 163 = 623 \)

### Step 2: Calculate the total population
The total population includes all age groups across all employment statuses:

- 0–17: 440
- 18–25: \( 287 + 199 + 189 = 675 \)
- 26–34: \( 291 + 69 + 24 = 384 \)
- 35–49: \( 430 + 192 + 166 = 788 \)
- 50+: \( 371 + 163 + 235 = 769 \)

The total population is:
\[
440 + 675 + 384 + 788 + 769 = 3056
\]

### Step 3: Calculate favorable outcomes
Favorable outcomes include:
1. Everyone under 18: 440 people.
2. Part-time employed (excluding under 18): 623 people.

Thus, the total number of favorable outcomes is:
\[
440 + 623 = 1063
\]

### Step 4: Calculate the probability
The probability is the ratio of favorable outcomes to the total population:
\[
\frac{1063}{3056} \approx 0.3479
\]

So, the probability that a randomly chosen person is either under 18 or employed part-time is approximately **0.348** or **34.8%**.

Would you like further details on any step or clarification?

Here are some related questions you might consider:
1. What is the probability that a person is under 18 and unemployed?
2. What is the probability that a person is over 50 and employed full-time?
3. What is the probability that a person is employed part-time, regardless of age?
4. What is the probability that a person is in the 18–25 age group and unemployed?
5. How many people are employed full-time across all age groups?

**Tip:** When calculating probabilities, always ensure that you're clear on whether outcomes overlap to avoid double-counting.

If a person is randomly chosen from the town's population, what is the probability that the person is under 18 or employed part-time?

Learn how to calculate the probability that a randomly chosen person from a town's population is either under 18 or employed part-time. This problem involves fundamental probability concepts, combining data from age groups and employment statuses, suitable for Grades 9-12.

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