Mathematics, 09.02.2021 14:00 dyalisa15

72 students each took a theory test followed by a practical test. They either passed or failed each test.
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If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8

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72 students each took a theory test followed by a practical test. They either passed or failed each test. This frequency tree shows some of the results.

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Another question on Mathematics

72 students each took a theory test followed by a practical test. They either passed or failed each test.
This frequency tree shows some of the results.