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Osbert12
Osbert12, Master's Degree
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Determine whether each of the distributions given below represents

Resolved Question:

Determine whether each of the distributions given below represents a probability distribution. Justify your answer.

(A)
X 1 2 3 4
P(X) 1/2 1/12 1/4 1/3

(B)
X 3 6 8
P(X) 0.15 3.4 .10

(C)
X 20 30 40 50
P(X) 0.3 0.2 -0.1 0.6
Submitted: 5 years ago.
Category: Calculus and Above
Expert:  Osbert12 replied 5 years ago.

Thank you for your questions.

 

(A) No since 1/2 + 1/12 + 1/4 + 1/3 ≠ 1

 

(B) No since 3.4 > 1

 

(C) No since -0.1 < 0

 

Osbert

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