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The probability of picking a martian that has completed 4 years of high school or is a male is 72 / 85.
Probability determines the odds that a random event would happen. The odds of the event happening lie between 0 and 1.
The probability = (total number of people who have finished 4 years of high school / total number of martains) + (total number of males / total number of martains)
58 / 170 + 86/170 = 144 / 170 = 72 / 85
To learn more about probability, please check: https://brainly.com/question/13234031
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