3.11 The sample space for an experiment contains five sample NW points with probabilities as shown in the table. Find the probability of each of the following events: A: {Either 1, 2, or 3 occurs.} B: {Either 1, 3, or 5 occurs.} C: {4 does not occur.} Sample Points Probabilities 1 .05 .20 .30 .30 .15 2 3 4

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