9 because 9x3=27 or 27/3=9
A
(a) You're looking for
where
Customers arrive at a mean rate of 6 customers per 10 minutes, or equivalently 12 customers per 20 minutes, so
Then
(b) Now you want
This time, we have
so that
B
(a) In other words, you're asked to find the probability that more than 1 customer shows up in the same minute, or
with
So we have
C
(a) Similar to B, you're looking for
with
so that
Answer:
4
Step-by-step explanation:
thats not very specific dont trust me
If they are all in a line then we can find the equation of their line using: y = mx + b
First find m using points (2,5) and (3,3)
m = (5-3)/(2-3) = 2/-1 = -2
Now using (3,3) and m= -2 to solve for b:
3 = -2(3) + b
3 = -6 + b
9 = b
So our equation is y = -2x + 9
That is the solution for question b)
Now to find the mystery point, solve:
1 = -2x + 9
-8 = -2x
4 = x
So our mystery point is (4,1)
So for part a) the answer is k = 4