The random variable x represents the number of cars per household in a town of 1000 households. Find the probability of randomly selecting a household that has between one and three cars, inclusive. Cars Households 135 418 2. 242 3. 122 4 83 O 0.782 O 0.218 O 0.418 O 0.135
The random variable x represents the number of cars per household in a town of 1000 households. Find the probability of randomly selecting a household that has between one and three cars, inclusive. Cars Households 135 418 2. 242 3. 122 4 83 O 0.782 O 0.218 O 0.418 O 0.135
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
![The random variable \( x \) represents the number of cars per household in a town of 1000 households. Find the probability of randomly selecting a household that has between one and three cars, inclusive.
| Cars | Households |
|------|------------|
| 0 | 135 |
| 1 | 418 |
| 2 | 242 |
| 3 | 122 |
| 4 | 83 |
### Options
- 0.782
- 0.218
- 0.418
- 0.135
### Explanation
The table shows the distribution of the number of cars per household. To find the probability of a household having between one and three cars, inclusive, sum the number of households with 1, 2, and 3 cars, then divide by the total number of households (1000).
\[
\text{Number of households with 1 to 3 cars} = 418 + 242 + 122 = 782
\]
The probability is calculated as follows:
\[
P(1 \leq x \leq 3) = \frac{782}{1000} = 0.782
\]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe930625e-c503-4d73-983b-5bd5cd1a3834%2F8c663a16-01de-403d-83c7-a48c6ec94495%2Frx8ug3l_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The random variable \( x \) represents the number of cars per household in a town of 1000 households. Find the probability of randomly selecting a household that has between one and three cars, inclusive.
| Cars | Households |
|------|------------|
| 0 | 135 |
| 1 | 418 |
| 2 | 242 |
| 3 | 122 |
| 4 | 83 |
### Options
- 0.782
- 0.218
- 0.418
- 0.135
### Explanation
The table shows the distribution of the number of cars per household. To find the probability of a household having between one and three cars, inclusive, sum the number of households with 1, 2, and 3 cars, then divide by the total number of households (1000).
\[
\text{Number of households with 1 to 3 cars} = 418 + 242 + 122 = 782
\]
The probability is calculated as follows:
\[
P(1 \leq x \leq 3) = \frac{782}{1000} = 0.782
\]
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