The length of the titanic was 882 ft. porter's history class is building a model of the titanic. the model is 1/100 of the actual length of the ship how long is the model?

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?