The final examination results obtained by a group of 3200 Biology students are summarized on the cumulative frequency graph. 3500 3000 2500 2000 1500 1000 500 20 40 60 80 100 examination results cumulative frequency

Differentiate

The accompanying table shows the results of a survey in which 250 male and 250 female workers ages 25 to 64 were asked if they contribute to a retirement savings plan at work. Complete parts (a) and (b) below. Click the icon to view the survey results. (a) Find the probability that a randomly selected worker contributes to a retirement savings plan at work, given that the worker is male. The probability that a randomly selected worker contributes to a retirement savings plan at work, given that the worker is male, is. (Round to three decimal places as needed.)

Assume the X units are dollars. Find the units ofX-bar, s^2, s, and C.V.