F, the distribution function of a random variable X, is given by 0 t< -1 (1/4)t + 1/4 -1 < t < 0 1/2 0 < t < 1 (1/12)t + 7/12 1 2. F(t) = 1 (a) Sketch the graph of F. (b) Calculate the following quantities: P(X < 1), P(X = 1), P(1 ≤ X < 2), P(X > 1/2), P(X = 3/2), and P(1 < X < 6).

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Chapter1: Combinatorial Analysis
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F, the distribution function of a random variable X, is given by
0
t< -1
-1 < t <0
0 < t < 1
(1/12)t + 7/12 1≤t<2
1
t> 2.
(1/4)t + 1/4
F(t) = 1/2
(a) Sketch the graph of F.
(b)
Calculate the following quantities: P(X < 1), P(X = 1), P(1 ≤ X < 2),
P(X > 1/2), P(X = 3/2), and P(1 < X ≤ 6).
Transcribed Image Text:F, the distribution function of a random variable X, is given by 0 t< -1 -1 < t <0 0 < t < 1 (1/12)t + 7/12 1≤t<2 1 t> 2. (1/4)t + 1/4 F(t) = 1/2 (a) Sketch the graph of F. (b) Calculate the following quantities: P(X < 1), P(X = 1), P(1 ≤ X < 2), P(X > 1/2), P(X = 3/2), and P(1 < X ≤ 6).
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