Let the distribution function of a random variable y be F(y) = f(y) = y 8 y² 16 2 ≤y < 4, y ≥ 4. (a) Find the density function of Y. y ≤ 0, 0 < y < 2, 1, I I I y ≤ 0, 0 < y < 2, 2 ≤y < 4, y≥ 4 (b) Find P(1.50 ≤ Y ≤ 2.75). (Round your answer to four decimal places.) (c) Find P(Y≥ 2.00). (Round your answer to four decimal places.) (d) Find P(Y≥ 1.50|Y≤ 2.75). (Round your answer to four decimal places.)

A First Course in Probability (10th Edition)
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Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Let the distribution function of a random variable y be
F(y)
f(y) =
0,
y
8
y²
16
2 ≤ y < 4,
y ≥ 4.
(a) Find the density function of Y.
y ≤ 0,
0 < y < 2,
1,
I
I
I
y ≤ 0,
0 < y < 2,
2 ≤y < 4,
y ≥ 4
(b) Find P(1.50 ≤ Y ≤ 2.75). (Round your answer to four decimal places.)
(c) Find P(Y≥ 2.00). (Round your answer to four decimal places.)
(d) Find P(Y≥ 1.50|Y≤ 2.75). (Round your answer to four decimal places.)
Transcribed Image Text:2 Let the distribution function of a random variable y be F(y) f(y) = 0, y 8 y² 16 2 ≤ y < 4, y ≥ 4. (a) Find the density function of Y. y ≤ 0, 0 < y < 2, 1, I I I y ≤ 0, 0 < y < 2, 2 ≤y < 4, y ≥ 4 (b) Find P(1.50 ≤ Y ≤ 2.75). (Round your answer to four decimal places.) (c) Find P(Y≥ 2.00). (Round your answer to four decimal places.) (d) Find P(Y≥ 1.50|Y≤ 2.75). (Round your answer to four decimal places.)
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