a. If a rifleman's gunsight is adjusted correctly but he has shaky arms, he might shoot bullets scattered widely around the bull's-eye target. Draw a sketch of the target with the bullet holes. Does this show variation (lack of precision) or bias? b. Draw a second sketch of the target if the shots are both unbiased and precise (have little variation). The rifleman's aim is not perfect, so your sketches should show more than one bullet hole. a. Draw a sketch of the target with the bullet holes scattered widely around the bull's-eye target. Choose the correct target below. O A . O B. O C. O D. O O Does this show lack of precision or bias? O A. Both bias and lack of precision O B. Bias O C. Neither bias or lack of precision O D. Lack of precision b. Draw a second sketch of the target if the shots are both unbiased and precise. O A. O B. O C. O D