Enable text based alternatives for graph display and drawing entry

Try another version of this question

Giving a test to a group of students, the grades and gender are summarized below

ABC Total
Male15184 37
Female131220 45
Total283024 82


If one student is chosen at random,

Find the probability that the student was male AND got a "B".
 

Get help:


X
MathQuill
   x  x    n  |   | (   ) π DNE
   x    (   ) π DNE
( ) ( ] [ ) [ ] —∞ DNE
< > or All Real Numbers DNE
log logn ln n  | | e 
sin cos tan arcsin arccos arctan  
[more..]