Of the 18 people attending a seminar, 4 have red hair. look at picture

sample space, the whole amount of 18, favorable outcomes 4 red hair ones.

4/18, which simplifies to 2/9 or about 0.22 or about 22%.

the median here is 25. your lowest value is 14 and highest value is 48. to find the third quartile, find the medium number in between 25 and 48 which would be 42 i believe.

look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).