The data shows the lengths in inches of 6 snakes 5 , 7 , 8 , 9 , 12 , 15

which statement about this data is true ?

a . the interquartile range of the data set is 5

b . the maximum of the data is 5

c . the mean of the data set is 9

d . the median of the data set is 9

What is the probability of rolling a single die greater than 4

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?

What is the result of adding the system of equations? 2x+y=4 3x-y=6