I'm going with C. scalene triangle
Answer: (1) mean = 9.46; standard deviation = 3.74
Step-by-step explanation:
Now, if the customers left 8.23 extra, based on a percentage of the cost of the meal, namely, the 8.23 is a percent of 49.28, then
if we take 49.28 to be the 100%, how much of a percentage is 8.23?
Answer:
±11 is the answer........