Mathematics, 23.04.2021 19:40, girlwonder326
Of the 20 members in a local group of Mensa International, 40% are philosophers and the rest are not. Among those who are not philosophers, the ratio of those who hold a PhD to those who do not hold a PhD is 1:3. Among those who are philosophers, the ratio of those who hold a PhD to those who do not hold a PhD is 7:1. For all 20 members, the ratio of those who hold a PhD to those who do not is x : y , where x and y have no common factor that is greater than 1.
Select for x and for y values that are jointly consistent with the information provided.
Make only two selections, one in each column. (The numbers are the same for X and Y)
xx yy
1
2
3
4
5
Answers: 3
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Of the 20 members in a local group of Mensa International, 40% are philosophers and the rest are not...
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