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In a group of 294 students, 130 are seniors and 121 are males. Exactly one-half of seniors are females. If a student is randomly selected, what is the probability that the student is a senior or a female?
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Mar 16, 2018
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In a group of 294 students, 130 are seniors and 121 are males. Exactly one-half of seniors are females. If a student is randomly selected, what is the probability that the student is a senior or a female?
Mathematics
high-school
Brett Cannon
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44% chance that the studnet a senior
22% chance that the student is a senior and female
37% chance that the student is female
Kyr Dunenkoff
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Mar 18, 2018
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Kyr Dunenkoff
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130/2=65
294-121=173
173+130-65=238
238/294=.7986
Marc Polizzi
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Mar 20, 2018
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Marc Polizzi
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