In how many ways can 3 pictures be selected from a group of 8 different pictures and then arranged side by side on a wall?

Zahra was given two data sets, one without an outlier and one with an outlier. data without an outlier: 15, 19, 22, 26, 29 data with an outlier: 15, 19, 22, 26, 29, 81

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?

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl