Also, not being mutually exclusive could be proven by showing there are values in the intersection: A ∩ B
Phil ran 2 7/8 miles more than micheal
Answer:
Find the "zeros" and plug in points
Step-by-step explanation:
You can tell this graph is a parabola.
We can find the "zeros" of the graph to help us.
Find the zeros:
2x-1=0
2x=1
x=0.5
2x-5=0
2x=5
x=2.5
We can substitute values into f(x)=(2x-1)(2x-5) to graph.
You should get (1.5,-4) to be the vertex.
Hope this helps
Answer:
(a)P(x>85.55)=0.02275
(b)
Step-by-step explanation:
We are given that
Average sales for an online textbook distributor per customer per purchase
,
$67.63
Standard deviation of the amount spent on textbooks,
$8.96
(a) We have to find probability for a randomly selected customer spent more than $85.55 per purchase.

=
=
=
P(x>85.55)=0.02275
(b)We have to find probability for a randomly selected customer spent less than $76.59 per purchase



Add up the totals before tax:
1860 + 5775 = 7635
Find 8.2% of this:
0.082 * 7635 = 626.07
Now add this on to it:
7635 + 626.07 = 8261.07
So the total cost is $8,261.07