Let X be a random variable with probability density function f(t) = exp(−t)…
GATE · 2020 · XE · XE-A — Engineering Mathematics
Let X be a random variable with probability density function f(t) = exp(−t) for t ≥ 0, and f(t) = 0 for t < 0. Let 0 < a < b. Then the probability P(X ≤ b | X ≥ a) depends only on
- A.
b − a.
- B.
b.
- C.
a.
- D.
a + b.
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