Question 2A A discrete random variable X has probability distribution given by X 1 2 3 4 5 P(X=x) 0.2 0.25 0.14 a 0.05 P(1 ≤ X ≤ 3) is a.0.25 b.0.41 c.0.34 d.0.59
Question 2A A discrete random variable X has probability distribution given by X 1 2 3 4 5 P(X=x) 0.2 0.25 0.14 a 0.05 P(1 ≤ X ≤ 3) is a.0.25 b.0.41 c.0.34 d.0.59
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 14E
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Question 2A
A discrete random variable X has
X |
1 |
2 |
3 |
4 |
5 |
P(X=x) |
0.2 |
0.25 |
0.14 |
a |
0.05 |
a.0.25
b.0.41
c.0.34
d.0.59
Question 2B
A discrete random variable X has probability distribution given by
X |
1 |
2 |
3 |
4 |
5 |
P(X=x) |
0.2 |
0.25 |
0.14 |
a |
0.05 |
The Variance of X … Var(X) is
a.1.5739
b.6.6660
c.2.810
d.9.470
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