Question

Find the missing probability in the table below.

Answer 1

0.20

Answer 2

we get it as follows:
When we consider all possible outcomes and their probabilities, the total is 1
so P(4) = 1 - (sum of other probabilities) = 1 - (0.40 + 0.20 + 0.20) = 0.20

Answer 3

thank you so much!

Answer 4

o.o wait...

Answer 5

okay :I so now I'm confused

Answer 6

Why???

Answer 7

for this one.

Answer 8

i dont understand how you added them up subtracted 1 and got that answer exactly I'm missing something