Arandom sample of is selected from this population. find the probability that the sample mean is greater than 2.1 but less than 2.5.

Rename mixed numbers before you can subtract are what

Given the function f(x) = 3x + 1, evaluate f(a + 1). a. 3a + 1 b. a + 2 c. 3a + 4

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31