Answer: Answer is C.
Step-by-step explanation: It is because positive numbers go to the right, and negative numbers to the left.
Hope that helps :)
9 x 8 = 72
9 + 9 +9 + 9 + 9 +9 + 9 + 9 = 72
Complete Question
According to a study done by a university student, the probability a randomly selected individual will not cover his or her mouth when sneezing is 0.267 Suppose you sit on a bench in a mall and observe people's habits as they sneeze
(a) What is the probability that among 18 randomly observed individuals exactly 6 do not cover their mouth when sneezing?
Answer:

Step-by-step explanation:
From the question we are told that:
Sample size 
Probability 
No. that do not cover their mouth when sneezing 
Generally the equation for The Binomial distribution is mathematically given by
Parameters
B(18,0.267)
Therefore

Where

Therefore


Answer:
12 rolls
Step-by-step explanation:
2 dozen is 24 so if he used a dozen which is 12 then he would have 12 left