1. If A and B are mutually exclusive events with P(A)=0.3 and P(B)=0.5, then P(A or B)= A) 0.15 B) 0.20 C) 0.80 D) 0 E)None of these

1. If A and B are mutually exclusive events with P(A)=0.3 and P(B)=0.5, then P(A and B)= A) 0 B) 0.15 C) 0.20 D)0.30 E)None of these

1. A sales rep calls 10 hospitals. This week she must select 3 to visit. If a sales rep is trying to plan a route [order is important for a route] for the week, how many possible routes exist? A) 3 B) 10 C)30 D) 120 E) 720