It is just right
Tea. 15. 90.
——- = —— = ———-
Liters 2. 12. When you multiply each by 6 you wil get the other amount it is just grater x6
The expected value is fiven as:
![EV=\sum ^{}_{}x_iP(x_i)](https://tex.z-dn.net/?f=EV%3D%5Csum%20%5E%7B%7D_%7B%7Dx_iP%28x_i%29)
where xi is the possible outcome and P(xi) is its probability.
From the spinner we notice that:
![\begin{gathered} P(1)=\frac{4}{8}=\frac{1}{2} \\ P(5)=\frac{3}{8} \\ P(10)=\frac{1}{8} \end{gathered}](https://tex.z-dn.net/?f=%5Cbegin%7Bgathered%7D%20P%281%29%3D%5Cfrac%7B4%7D%7B8%7D%3D%5Cfrac%7B1%7D%7B2%7D%20%5C%5C%20P%285%29%3D%5Cfrac%7B3%7D%7B8%7D%20%5C%5C%20P%2810%29%3D%5Cfrac%7B1%7D%7B8%7D%20%5Cend%7Bgathered%7D)
Then the expected value is:
![\begin{gathered} EV=1(\frac{4}{8})+5(\frac{3}{8})+10(\frac{1}{8}) \\ EV=\frac{4}{8}+\frac{15}{8}+\frac{10}{8} \\ EV=\frac{29}{8} \\ EV=3\frac{5}{8} \end{gathered}](https://tex.z-dn.net/?f=%5Cbegin%7Bgathered%7D%20EV%3D1%28%5Cfrac%7B4%7D%7B8%7D%29%2B5%28%5Cfrac%7B3%7D%7B8%7D%29%2B10%28%5Cfrac%7B1%7D%7B8%7D%29%20%5C%5C%20EV%3D%5Cfrac%7B4%7D%7B8%7D%2B%5Cfrac%7B15%7D%7B8%7D%2B%5Cfrac%7B10%7D%7B8%7D%20%5C%5C%20EV%3D%5Cfrac%7B29%7D%7B8%7D%20%5C%5C%20EV%3D3%5Cfrac%7B5%7D%7B8%7D%20%5Cend%7Bgathered%7D)
Therefore the expected value is 3 5/8 and the answer is D.
Answer:
$334 to the nearest dollar.
Step-by-step explanation:
If you just stuff it under the bed that would be
40000/ 120 (as there are 120 months in 10 years)
= $334.333...
x+y=3
+ x-y=1
2x=4
x=2
x+y=3
2+y=3
-2. -2
y=1
(2,1)
The fraction is 2/3
So, there should be 100 squares.
Next, the 100 squares is divided into 3 by vertical lines. The lines will not coincide with the sides of the squares. This is okay. Next, the 2 out of 3 will be shaded, this will be equivalent to 66 squares and one more square but it will not be filled up completely. In percent form, the fraction is 66.67%.