MCQ
A random variable X has the probability distribution:
| X = x | –2 | –1 | 0 | 1 | 2 |
| P(X = x) | 4b | 5b | 2b | b | 2b |
Then the value of P(X < 1) is ______.
- A`1/7`
- ✓`5/7`
- C`1/5`
- D`5/14`
| X = x | –2 | –1 | 0 | 1 | 2 |
| P(X = x) | 4b | 5b | 2b | b | 2b |
Then the value of P(X < 1) is ______.
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