
Mauricio M. answered 02/07/24
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Hello Jordan,
Since the events rolling a 5 and rolling a 4 are mutually exclusive events (i.e. disjoint), it follows by the addition rule for disjoint events that:
P(5 or 4) = P(5) + P(4) = (1/6) + (1/6) = 2/6 = 1/3
Hope this helps.