Question
Mathematics Question on Coordinate Geometry
A random variable X has the following probability distribution
| X= x | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|---|
| P(X = x) | 0.15 | 0.23 | k | 0.10 | 0.20 | 0.08 | 0.07 | 0.05 |
For the events E = {x/x is a prime number} and F = {x/x <4} then P(E ∪ F)
A
0.57
B
0.87
C
0.77
D
0.35
Answer
0.77
Explanation
Solution
The correct option is: (C) 0.77