Let X be a random variable following normal distribution with mean +1 and…
GATE · 2008 · CS
Let X be a random variable following normal distribution with mean +1 and variance 4. Let Y be another normal variable with mean -1 and variance unknown. If P(X ≤ −1) = P(Y ≥ 2). the standard deviation of Y is
- A.
3
- B.
2
- C.
sqrt(2)
- D.
1
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