From the definition of conditional probability,

and by the law of total probability,

In other words, each cell in the grid left of and above the total column and row represents the joint probabilities (e.g.

). So,
I guess complement should be 1- 0.35 = 0.65 !!
6/7 is the awnser for this one
N = 2 and m=10. You multiply them
Answer:
180 mm
Step-by-step explanation:
height : cases
105 : 7
constant of proportionality = 105/7
height of 12 cases = 12 x 105/7 = 180 mm