anonymous
  • anonymous
Probability Help!!! A survey of 1000 students in a local high school revealed the following information: 450 students are male 800 plan to attend college 300 are immigrants 350 are males who plan to attend college 250 are immigrants who plan to attend college 120 are immigrant males 100 are male immigrants who plan to attend college How many students are male, non-immigrants, who do not plan to attend college?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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SolomonZelman
  • SolomonZelman
Students: (1) male, (2) non-immigrants, (3) do not plan to attend college `450 students are male` `800 plan to attend college` X (they plan to attend college) `300 are immigrants` X (they are immigrants) `350 are males who plan to attend college` X (they plan to attend college) `250 are immigrants who plan to attend college` X (they are immigrants) `120 are immigrant males` X (they are immigrants) `100 are male immigrants who plan to attend college.` X (they plan to attend college)
SolomonZelman
  • SolomonZelman
there is only one category that is NOT EXCLUDED..... So can you answer your question now?
anonymous
  • anonymous
Can I make a Venn Diagram with this and work backwards. Using those three

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anonymous
  • anonymous
okay no. at least i don't see how... so I need to find P(M and I' and C') But I am not clear how to come up with this formula
anonymous
  • anonymous
nevermind i figured it out... if anyone knows the formula though without working backwards that would be appreciated
texaschic101
  • texaschic101
|dw:1444276241061:dw| what did you get ? Because I got 80...just wondering....and I got 70 who didn't fit in the criteria.
texaschic101
  • texaschic101
but I am not 100% sure it is correct
anonymous
  • anonymous
yes i got 80 as well... which is the right answer... but the next problem asks a similar thing, but the only way i can figure them out is drawing these diagrams... but i guess i want to make sure there isn't some equation or formula that i need to know just in case there is a question in which it asks for the intersection of 3 things but for whatever reason am unable to draw a diagram.
texaschic101
  • texaschic101
I just go by the diagram...I also use this..check it out https://www.easycalculation.com/algebra/venn-diagram-3sets.php
texaschic101
  • texaschic101
if it does not give the intersection of 3 things...like it did in this one....thats when you sub in x
anonymous
  • anonymous
alright thank you. i will give it a go and see how it work if i come across another. thank you.

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