Answer:
option-C
Step-by-step explanation:
we are given
Let P(A)=0.5
P(B)=0.9
P(A and B)=0.15
we know that

now, we can plug values


but we have
P(A)=0.5
we can see that both are not equal

so, A and B are not independent
so, option-C........Answer
Answer:
14
Step-by-step explanation:
100% - 30%= 70% (the times they've won)
0.7x20=14
Answer:
???????
Step-by-step explanation:
ANSWER: ABC and probably e but not sure about that one
EXPLANATION:
A proportional relationship is a relation between two quantities in which the ratio of one quantity to the other quantity is constant… hope this was helpful ;)