12. I assume 
denotes the complement of A, so
Then by definition of conditional probability,
13. By inclusion/exclusion,
Answer:
Hard to tell based on what you posted
Step-by-step explanation:
a slope is positive if it is going up from left to right
a slope is negative if it is going down left to right
Answer: 3.19
Step-by-step explanation:
So to find the average I used a simple but pretty effective method
3+3+3+3+3+3+3+3+3+3+3+3+3+3+3+3+3+3+3+3+3+3+3+3+3+3+8/26=3.1923
So the new average is 3.19
Answer:
multiply by 4 then its 48/100 then I think its 48 percent
Step-by-step explanation:
multiply 4 to get 48 multiplying 12 by 4 and then 48 % because it is 48 of 100 :)
