The amount of time it takes Gabby to create a certain bracelet is shown on the table Explain how you can find how many minutes it will take Gabby to create 100 bracelets

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?