D,E, F
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Question
D,E, F and G

Transcribed Image Text:The probability mass function of a random variable X is given by
1
X
f(x) = P(X = x)
F(x) = P(X ≤ x)
0
0.3
0.1
2
?
3
0.2
a) f(2)= P(X=2) =
b) E(X)=
c) Var(X) =
d) Fill F(0), F(1), F(2), F(3) and F(4) in the third row of the above table.
e) The conditional probability P(X=4 |X23) =
f) The conditional probability P(X=4 |X=3) =
g) The conditional probability P(X≥3 |X=4) =
4
0.3
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