Answer:
B)It is a weak negative correlation, and it is likely causal.
Step-by-step explanation:
TOOK THE TEST it was correct
Answer:
the first step is correct
Step-by-step explanation:
the first step is correct
then draw 2 circles with the same radius with centre D and E ( the point BC intersect the first circle )
Where the 2 circles are intersecting is the point F
Then BF is the bisector
Answer:
1/3
Step-by-step explanation:
The probability of a student winning is 1/4.
The probability of a prize being selected is 1/3.
The probability of Gail winning a scarf is 1/4 × 1/3 = 1/12.
The probability of Simon winning is 1/4.
The probability of either is 1/12 + 1/4 = 1/3.
Answer:
c) 44000 miles
Step-by-step explanation:
The regression line has the following format:

In which b is the slope(how much each mile costs) and a is the fixed number of miles flown.
In this problem, we have that:
. So

A person who spent $ 2000 is predicted to have flown:
This is y when x = 2000.


So the correct answer is:
c) 44000 miles