Question

Consider the probability model given in the table below: Outcome Probability 0.238 0.125 0.208 What must the probability of a 3 be so that this is a valid probability model?

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Answer #1

To become a valid probability model sum of probabilities of all outcome should be 1.

So, 0.238+0.125+0.208+x =1

So,x=1- 0.571

X=0.429

So the probability of 3 should be 0.429

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