Answer:
x = 5
z =2
y =4.4
Step-by-step explanation:
y varies directly as x
y = kx
and inversely as z
y = kx/z
Putting in the numbers in the first line of the table, we can solve for k
13.75 = k * 25/4
Multiply by 4
13.75*4 = 25k
55 =25k
Divide by 25
55/25 = 25k/25
2.2 = k
Now we can fill in the table
y = 2.2 x/z
Row 2 we need to find x
1 = 2.2 x/11
Multiply by 11
11 = 2.2 x
Divide by 2.2
11/2.2 = 2.2x
5 =x
Row 3 we need to find z
18.7 = 2.2 *17/z
18.7 = 37.4 /z
Multiply by z
18.7z = 37.4
Divide by 18.7
18.7/18.7z = 37.4/18.8
z =2
Row 4 we need to find y
y = 2.2 *10/5
y = 22/5
y =4.4
Answer:
30+18 x
Step-by-step explanation:
Answer:
y=-0.6875x -1.8125
y= -11/16x -29/16
Step-by-step explanation:
Answer:
i tried on a calculator and it gave me 211.125
Solution:
a. the person is a male, given that the person has a secondary education.
The probability that a person is a male, given that the person has secondary education is:
P(Male | Secondary education) ![=\frac{26}{78}=\frac{1}{3}](https://tex.z-dn.net/?f=%3D%5Cfrac%7B26%7D%7B78%7D%3D%5Cfrac%7B1%7D%7B3%7D)
Therefore, a person is a male, given that the person has secondary education is ![\frac{1}{3}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B3%7D)
b. The person does not have a college degree, given that the person is a female.
The probability that a person does not have a college degree, given that the person is a female is:
P(Not college degree | female) ![=\frac{47+52}{118}=\frac{99}{118}](https://tex.z-dn.net/?f=%3D%5Cfrac%7B47%2B52%7D%7B118%7D%3D%5Cfrac%7B99%7D%7B118%7D)
Therefore, a person does not have a college degree, given that the person is a female is ![\frac{99}{118}](https://tex.z-dn.net/?f=%5Cfrac%7B99%7D%7B118%7D)