The overnight shipping business has skyrocketed in the last ten years. The single greatest predictor of a company's success is customer service. A study was conducted to determine the customer satisfaction levels for one overnight shipping business. In addition to the customer's satisfaction level, the customers were asked how often they used overnight shipping. The results are shown below in the following table: ITI Satisfaction level Frequency of Use <2 per month 2-5 per month >5 per month High 250 Medium Low TOTAL 140 10 400 140 55 5 200 70 25 100 TOTAL 460 220 20 700 Suppose that one customer who participated in the study is chosen at random. What is the probability that the customer did hot have a high level of satisfaction with the company? 35

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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**QUESTION 16**

**Solve the problem.**

The overnight shipping business has skyrocketed in the last ten years. The single greatest predictor of a company's success is customer service. A study was conducted to determine the customer satisfaction levels for one overnight shipping business. In addition to the customer’s satisfaction level, the customers were asked how often they used overnight shipping. The results are shown below in the following table:

| Frequency of Use   | High | Medium | Low | TOTAL |
|----------------------|------|--------|-----|-------|
| < 2 per month        | 250  | 140    | 10  | 400   |
| 2 – 5 per month      | 140  | 55     | 5   | 200   |
| > 5 per month        | 70   | 25     | 5   | 100   |
| TOTAL                | 460  | 220    | 20  | 700   |

Suppose that one customer who participated in the study is chosen at random. What is the probability that the customer did not have a high level of satisfaction with the company?

Options:
- ○  \( \frac{3}{7} \)
- ○  \( \frac{4}{7} \)
- ○  \( \frac{23}{35} \)
- ○  \( \frac{12}{35} \)

*Note: Click "Save and Submit" to save and submit. Click "Save All Answers" to save all answers.*
Transcribed Image Text:**QUESTION 16** **Solve the problem.** The overnight shipping business has skyrocketed in the last ten years. The single greatest predictor of a company's success is customer service. A study was conducted to determine the customer satisfaction levels for one overnight shipping business. In addition to the customer’s satisfaction level, the customers were asked how often they used overnight shipping. The results are shown below in the following table: | Frequency of Use | High | Medium | Low | TOTAL | |----------------------|------|--------|-----|-------| | < 2 per month | 250 | 140 | 10 | 400 | | 2 – 5 per month | 140 | 55 | 5 | 200 | | > 5 per month | 70 | 25 | 5 | 100 | | TOTAL | 460 | 220 | 20 | 700 | Suppose that one customer who participated in the study is chosen at random. What is the probability that the customer did not have a high level of satisfaction with the company? Options: - ○ \( \frac{3}{7} \) - ○ \( \frac{4}{7} \) - ○ \( \frac{23}{35} \) - ○ \( \frac{12}{35} \) *Note: Click "Save and Submit" to save and submit. Click "Save All Answers" to save all answers.*
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