Assuming f(x) is the cost and X is the number of months.
f(x)=2x+40
Answer:
38260
Step-by-step explanation:
ur welcome
Answer:
68.27%
Step-by-step explanation:
By the Empirical Rule, as 65% and 75% are both one standard deviation apart from the mean of 70%, then this represents 68.27% of the data.