Ashelf has 20 bags of potatoes. two of the bags have potatoes starting to go bad. what is the expected probability of the complement of the event "bad bags of potatoes"?

a.) 0.1

b.) 0.2

c.) 0.8

d.) 0.9

 There are 2 bad bags out of 20, so the probability of bad bags is: 
 

But we want the complement, which is the probability of bags which are not bad, and that is :

answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x

it is x=-4

step-by-step explanation: