THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The joint probabilities shown in a table with two rows,A₁ and A₂,and two columns,B₁ and B₂ are as follows: P(A₁ ∩ B₁) = 0.10,P(A₁ ∩ B₂) = 0.30,P(A₂ ∩ B₁) = 0.05,P(A₂ ∩ B₂) = 0.55
-What is P(B₁) ?

A) 0.40
B) 0.60
C) 0.15
D) 0.85