In the morning, sophie goes to the church then goes to the school. in the afternoon she goes to school to home. the map shows the distance between school and home as 5 cm. if every 4 cm on the scale drawing equals 8 kilometers, how far apart are the school and home.

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?