yobit eobot.com

Announcement

Collapse
No announcement yet.

New brain teaser for you

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • #16
    Uuungh? If you test positive then surely its 100%

    Comment


    • #17
      I'm intregued as to the correct answer now

      Comment


      • #18
        1 in 50 then?
        If its not broke don't fix it.

        Comment


        • #19
          Originally posted by Ambobeer View Post
          Uuungh? If you test positive then surely its 100%
          It would be if the test was 100% accurate. But it isn't, it's 95% accurate.

          Comment


          • #20
            Originally posted by si tate View Post
            1 in 50 then?
            Give that man a cigar...

            Comment


            • #21
              OK.
              I guess that test is showing that there's a 95% chance that you are the 1 in 1000.

              So.
              1 in 1000 = 0.1 %
              95% X 0.1% = 9.5%

              So.
              That's a 9.5% chance.

              Comment


              • #22


                Explain the maths please Henry !
                Life is too important to take seriously !

                Comment


                • #23
                  Originally posted by flounderbout View Post
                  Give that man a cigar...
                  Part guess, part working out but when you think about it it's quite simple.

                  What do I win?
                  If its not broke don't fix it.

                  Comment


                  • #24
                    Assume they test all 1000 people.
                    50 if those people will get a positive result. (95% accurate)
                    Only one of those 50 will have the disease.

                    1 in 50 chance of having it.

                    Comment


                    • #25
                      For every 1000 people tested (of whom one will have the disease), there are 50 positive tests (the test is only 95% accurate). So if you test positive, you have a 1/50 chance of being the unlucky one who really has the disease.


                      Edit - Morked...

                      Comment


                      • #26
                        Originally posted by si tate View Post
                        What do I win?
                        A soapy backrub from the next closest answer...

                        Comment


                        • #27
                          I get it, the test is 95% accurate so out of 1000 people it will say 50 have it yet only one will, simples now lol, so that would be a 2% chance of having the disease

                          Comment


                          • #28
                            The office where I work has an equal opportunities recruitment policy and several disabled workers.
                            According to the latest office statistics everyone in my office has on average one testicle and slightly less than 2 legs.

                            Maths is fun.

                            Comment


                            • #29
                              Ahh too late

                              Comment


                              • #30
                                Originally posted by flounderbout View Post
                                A soapy backrub from the next closest answer...
                                I pass on that one "for now"
                                If its not broke don't fix it.

                                Comment

                                Working...
                                X