Answer:
Step-by-step explanation:
The empirical probability that people would prefer KitKat is 12/30, or 0.4.
Then, among 330 people, 0.4(330 people), or 132, would prefer KitKat.
Answer:
The correct answer is C) 5/18
Step-by-step explanation:
In order to find this answer, you need to take the fraction that answered it on the first try and subtract the number that changed their mind.
7/18 - 1/9
In order to complete this operation, you need to give them common denominators.
7/18 - 2/18 = 5/18
Answer:
Correct choice is 
Step-by-step explanation:
1. If
then you can find the inverse 

2. If
then

3. Hence,
