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The random variable x has the following discrete
Chapter 4, Problem 12E(choose chapter or problem)
The random variable x has the following discrete probability distribution:
x |
1 |
3 |
5 |
7 |
9 |
p(x) |
.1 |
.2 |
.4 |
.2 |
.1 |
a. List the values x may assume.
b. What value of x is most probable?
c. Display the probability distribution as a graph.
d. Find P(x = 7).
e. Find P(x\(\geq\) 5).
f. Find P(x > 2).
g. Find E(x).
Questions & Answers
QUESTION:
The random variable x has the following discrete probability distribution:
x |
1 |
3 |
5 |
7 |
9 |
p(x) |
.1 |
.2 |
.4 |
.2 |
.1 |
a. List the values x may assume.
b. What value of x is most probable?
c. Display the probability distribution as a graph.
d. Find P(x = 7).
e. Find P(x\(\geq\) 5).
f. Find P(x > 2).
g. Find E(x).
ANSWER:Step 1 of 3
The random variable x have the discrete probability distribution:
x |
1 |
3 |
5 |
7 |
9 |
P(x) |
0.1 |
0.2 |
0.4 |
0.2 |
0.1 |
(a) We have to list the values x may assume.
(b) We have to find which value of x is most probable.
(c) We have to make a graph for the probability distribution.
(d) P(x=7).
(e) P(x.
(f) P(x.
(g) E(x).