Someone has conducted a study to see if there is increased of getting lung cancer if you work in a coal mine. in group 1, 30 of the 150 coal miners got lungs cancer. in group 2, 5 out of 250 non-coal miners got lung cancer. what is the sample relative risk

false

step-by-step explanation:

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,