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1. Determine if the following are probability distributions (if no, state why). a. X 3 6 9 12 15 P(X) 5/9 1/9 3/9 3/9 1/9
1. Determine if the following are probability distributions (if no, state why).
a. X 3 6 9 12 15
P(X) 5/9 1/9 3/9 3/9 1/9
b. X 1 2 3 4 5
P(X) 3/10 1/10 1/10 2/10 3/10
c. X 20 30 40 50
P(X) 0.1 -0.9 0.9 0.9
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