Answer:

Step-by-step explanation:
First of all we need to know when does two events become independent:
For the two events to be independent,
that is if condition on one does not effect the probability of other event.
Here, in our case the only option that satisfies the condition for the events to be independent is
. Rest are not in accordance with the definition of independent events.
The answer is 2400 + 80% = 4320
Working out 2400 divided by 10= 240
240 = 10%
240 x 8=1920
1920= 80%
1920 + 2400= 4320
I think its f(0) = 3
Thats the only one that sounds true but not sureee
tan <B is 16/30 which is 8/15