Consider the discrete probability distribution to the right when answering the following question. Find the probability that x equals 4. x 2 4 6 9
P(x) 0.12 ? 0.15 0.03
P(x = 4) =

You find a mysterious, dull substance on the ground and pick it up for a closer look. it is powdery, very light, and soft to the touch. the substance is most likely i. an organic mineral ii. a metallic mineral iii. a nonmetallic mineral i only ii only iii only i and ii i and iii