It is helpful to first plug this in to point-slope form (note that there are other ways to do this).
Using the form
, you get
. You can simplify this to get
.
Answer choice A
From a standard normal distribution table, the z-score corresponding to a cumulative probability of 0.99 is 2.33:
The answer is: John listens at least 214.8 hours per year.
You are looking for a line of the form
such that a,B minimize the distance between the given points and the line.
For that
and
Now we just have to apply the formula
after we apply it we get that
ŷ = 1.50473 x + 12.90922
Answer:
23/30 are blue balloons. 23/30 = 76.7 = 0.767. I would say that 0.767 is the answer!