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at a conference of 250 people, 30% of the participants are french, 35% are americans, 20% are germans, and the rest are of the other nationalities. among any 3 participants, what is the probability that they are not all from other countries? a: 50 b: 75 c: 150 d: 175

Respuesta :

texaschic101
ok...we got 250 people
30% are French, 35% are Americans, 20% are Germans....thats 85%.
This means 15% are from other countries

3 not from other countries...
0.85 * 0.85 * 0.85 = 0.6

0.6(250) = 150 students <===
montaviapierce

Answer:

I don't know the answer but I know that the guy on top 150 is wrong I took the test and got it wrong

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