Alucky customer at "used car charlie's lot" will get to randomly select one key from a barrel of keys. the barrel contains the keys to all of the cars on charlie's lot. the inventory lists 80 cars, of which: 38 are foreign models 50 compact models 22 foreign compact models what is the probability that the lucky customer will win a nonforeign compact car?

0.625

Step-by-step explanation:

Given

A lucky customer will get to randomly select a key among 80 cars

There are 38 foreign models

50 compact models

22 Foreign compact models

Probability that the lucky customer will win a non foreign compact car

1.4

2.3

step-by-step explanation:

the formula for the constant of variation is

y= kx

divide each side by x

y/x =kx/x

y/x =k

we know a and y

1.   y/x = k

4/1 =4

check the other values to make sure they are the same

8/2 = 4   12/3 =4   and 16/4 =4  

the constant of variation is 4

2.   y/x = k

3/1 =3

check the other values to make sure they are the same

6/2 = 3   9/3 =3   and 12/4 =3  

the constant of variation is 3