Answer:

Step-by-step explanation:
We know that 
Also , 
So ,

The answer
by using fundamental definition
<span>The conditional probability of event B given event A is P(B|A)=P(A and B)/P(A) when two events are not independent.
so the only true answer is A, because </span>P(B|A)=P(A) if A and B are independents<span>
(definition)</span>
Answer:
No.
Step-by-step explanation: for x=3, y is not the same
y=1,3,5,7 or 9
Answer:
She needs to do at least 8 a day
Step-by-step explanation:
Answer:
the mean for the data set is 129.3