Let the event 
The the probability of the events


The conditional probability

Can you make it w bit more detailed please love?
Its not yet known. We need other numbers and letters!
Answer:c
1: B
2: G
3: J
4 M
5: Q
6: V
7: X
8: B
I am joyous to assist you anytime!
<em>-Jarvo</em>
Step-by-step explanation:
N=1 4+7n=71 that is the answer