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

it is x equals 3   plese mark me really need it

step-by-step explanation:

i suppose it should be (y=2x-5)

step-by-step explanation:

ѕнє ¢αи ∂яινє 132 кιℓσмєтєяѕ

нσρє ι ¢συк∂ нєℓρ

the linear relationship that represents a variation in direct proportion is the linear function that varies according to the numbers of its domain, for example the cost of producing x number of items can be represented in direct proportion by f (x) = mx + b, where m is the constant of proportionality, x the number of articles produced and b the fixed cost