Teaching DSSSB PGT Mock Test 2025 Engineering Mathematics Probability and Statistics Types of Probability
यादृच्छिक चर x के लिए प्रत्याशित मान होगा:
|
x |
0 |
1 |
2 |
3 |
|
f(x) |
\(1\over6\) |
\(2\over6\) |
\(2\over6\) |
\(1\over6\) |
1
1
2
2
3
1.5
4
2.5