Thursday, 10 March 2016

Problem of the week


What I know

There are 30 kids in the classroom

21 students were baseball fans

9 students were non baseball fans 

At least 1 Baseball and non baseball fan was absent

So 29 and 8 Is the maximum for baseball and non baseball fans

More than half of the class was absent so 16 is the least possible number

The probability of asking a baseball fan a question was 3/4

So if at least 1 baseball fan and non fan was absent, more than half of the class was absent, and the probability of asking a baseball fan a question is 3/4 then there are 3 different options for the number of students that were absent that morning.


1.)  12/16  12 baseball fans 4 non baseball fans     

2.)  15/20  15 baseball fans 5 non baseball fans

3.)  !8/24  18 baseball fans  6 non baseball fans

So in general there was some information to find 3 different possibilities of how many students were absent which was 4, 5, or 6 but not enough to know one exact answer so no there was not enough information to know exactly how many students were absent that morning.




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