What does it mean for an event to be unusual Why should the cutoff for identifying unusual events not always be 0 05 Choose the correct answer below O A An event is unusual if it has a probability equal to The choice of a cutoff should consider the context of the problem OB An event is unusual if it has a low probability of occurring The choice of a cutoff should consider the context of the problem OC An event is unusual if it has a high probability of occurring The choice of the cutoff should consider the context of the problem O D An event is unusual if it has a probability equal to 1 The choice of a cutoff should consider the context of the problem