С
What is the value of s?
units
5
В.
8
15
А.
s
D

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?

I’m confused on how to work the pie charts

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount