Answer:
the probability that either B occurs without A occurring or A and B both occur is 0.73.
Step-by-step explanation:
Solve for
:

Now if
, we have
and

On the other hand, if
, then
and

Answer:
tanB=8/6
Step-by-step explanation:
The 3rd answer is about 1 and the 5th one is about 3 hours
Answer:
.9
Step-by-step explanation: