You ask your friend: "did you observe at least three heads? ". your friend replies, "yes." what is the probability that coin 2 had been chosen?

step-by-step explanation:

through just a quick inspection, one can see that the graph of this cubing function starts in quadrant iii and ends in quadrant i.   when x = 0, y = 3, so the y-intercept is (0, 3).

if graphs are part of the problem statement, share them.   .

no not all of them.

step-by-step explanation:

some of them have a square base.