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Test: PSAT Math
| 1. | 100 students are in the 10th grade class. 30 are swimmers, 40 are runners, and 20 are swimmers and runners. What is the probability that a student is a swimmer OR a runner? |
1/4
1/2
1/5
2/3
1/3
Christopher
Certified Tutor
Certified Tutor
Rose-Hulman Institute of Technology, Bachelor of Science, Physics. University of Washington, Master of Science, Physics.
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