Ace school

with brainly

  • Get help from millions of students
  • Learn from experts with step-by-step explanations
  • Level-up by helping others

A community for students.

40 students live in a dormitory. 5 have swine flu. If 4 students are selected at random, what is the probability that 1 or 2 of the 4 have swine flu?

Mathematics
See more answers at brainly.com
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

Get this expert

answer on brainly

SEE EXPERT ANSWER

Get your free account and access expert answers to this and thousands of other questions

(5/40)(4/39)((3/37)= 1.03950104*10^-3
This is not the correct answer
can u tell me what it is please, i suck at probablity, my weakest subject

Not the answer you are looking for?

Search for more explanations.

Ask your own question

Other answers:

Google'd and discovered this.... http://www.jiskha.com/display.cgi?id=1298256153
no problem. so I found (40 nCr 4)= 91390 then \[(35 nCr 3)(5 nCr 1)+(35 nCr 2)(5 nCr 2)=38675\] then \[38675\div91390=0.423\]
I actually posted that crsf29 and they didnt have the right answer either
Did it work out for you? I could dig out my ProbStat book and help you, but it would take me about 20 minutes and I'd wake my roomies...Sorry.
you dont have to do that I figured it out

Not the answer you are looking for?

Search for more explanations.

Ask your own question