Question: Hi! I have a question for a statistics lab. I hope you can help me. Thank you in advance! We asked 6195 people to answer
Hi! I have a question for a statistics lab. I hope you can help me. Thank you in advance!
We asked 6195 people to answer a questionnaire about their level of satisfaction of the food at the cafeteria. From a list of 2000 randomly selected people who responded to the questionnaire, what is the probability of randomly choosing a person with a level of satisfaction of more than 8, including 8.
| Level of satisfaction | Quantity | % of Total | % cumulated | ||||
|---|---|---|---|---|---|---|---|
| 0 | 129 | 2.1% | 2.1% | ||||
| 1 | 47 | 0.8% | 2.8% | ||||
| 2 | 87 | 1.4% | 4.2% | ||||
| 3 | 124 | 2.0% | 6.2% | ||||
| 4 | 133 | 2.1% | 8.4% | ||||
| 5 | 545 | 8.8% | 17.2% | ||||
| 6 | 502 | 8.1% | 25.3% | ||||
| 7 | 970 | 15.7% | 41.0% | ||||
| 8 | 1224 | 19.8% | 60.7% | ||||
| 9 | 792 | 12.8% | 73.5% | ||||
| 10 | 1642 | 26.5% | 100.0% | ||||
| Level of satisfaction | Modality | Quantity | Total | Proportion | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 129 | 6195 | 0.021 | ||||||||
| 1 | 47 | 6195 | 0.008 | ||||||||
| 2 | 87 | 6195 | 0.014 | ||||||||
| 3 | 124 | 6195 | 0.020 | ||||||||
| 4 | 133 | 6195 | 0.021 | ||||||||
| 5 | 545 | 6195 | 0.088 | ||||||||
| 6 | 502 | 6195 | 0.081 | ||||||||
| 7 | 970 | 6195 | 0.157 | ||||||||
| 8 | 1224 | 6195 | 0.198 | ||||||||
| 9 | 792 | 6195 | 0.128 | ||||||||
| 10 | 1642 | 6195 | 0.265 | ||||||||
| Note. H est une proportion 0.5 | |||||||||||
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