The dot plot shows the numbers of minutes a random group of Grade 7 band students spend
practicing their instrument at home weekly.
Grade 7
-
25 30 35 40 45 50 55
Minutes
Which statement is true based on the data in the
dot plot?

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

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?

Pranza plotted point a in the coordinate plane below.