Giving a test to a group of students, the grades and gender are summarized below
| |
A |
B |
C |
Total |
| Male |
11 |
8 |
3 |
22 |
| Female |
9 |
5 |
15 |
29 |
| Total |
20 |
13 |
18 |
51 |
If one student is chosen at random,
Find the probability that the student got a B:
Find the probability that the student was female AND got a "B":
Find the probability that the student was male OR got an "C":
[more..]
Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity
Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity
Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity