Help please I need to pass this

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

18 16 11 45 33 11 33 14 18 11 what is the mode for this data set