1. ## probability

Given the probability of happening an event A is 0.80 and event B is 0.60.
what is The Probability of happening event A or B

my ans is 1 is it correct

2. Originally Posted by bluffmaster.roy.007
Given the probability of happening an event A is 0.80 and event B is 0.60.
what is The Probability of happening event A or B

my ans is 1 is it correct
There is insufficient information to answer (if $B \subseteq A$ then $P(A \vee B)=0.8$, and depending on their overlap the answer could be anything between $0.8$ and $1$).

CB