He earns 18% tips on his food sales. So, his tips are proportional to the amount of food he sells.
From what you know about the restaurant business, what would have to be true for his tips to be proportional to the amount of hours he works?
Do you think that situation (Michael's amount of food sales being the same every hour) is likely in a real restaurant?
<span>B) A key chain can hold 3 keys. If there are a total of 12 keys, how many key chains are there?</span>
C)!!!! Probably too late? ;)
Answer:

Step-by-step explanation:
From the question we are told that:
Sample size 
Mean 
Range 
Generally at 
Value of Control chart constant,

Generally the equation for Lower Control Limit is mathematically given by



Answer:B
Step-by-step explanation: