Asked by Sandi

a single ball is drawn from an urn containing 4 balls numbered 1 through 4. find the probability that the ball chosen is as follows: an even numbered ball or an odd numbered ball
Answered by Reiny
obviously, prob = 1
Answered by PsyDAG
Either-or probabilities are found by adding the individual probabilities.

1/2 + 1/2 = 1
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