For the event E = {X is prime number} and F = {X < 4}, P(E ∪ F) =
A. 0.87
B. 0.77
C. 0.35
D. 0.50
Answer:B
For the event E = {X is prime number} and F = {X < 4}, P(E ∪ F) =
A. 0.87 B. 0.77 C. 0.35 D. 0.50