# Probabilty Distributions

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

a)

x 1 2 3 4

P (x) 1/8 1/8 3/8 1/8

b)

x 3 6 8

P (x) 0.2 0 1

c)

x 20 30 40 50

P (x) 0.3 0.2 0.1 0.4

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Probabilty distributions are investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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

a)

x 1 2 3 ...

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