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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