Question 1049183: Three unbiased coins are tossed. What is the probability of getting at most two heads?
Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! Eight possible outcomes,
HHH, 3 H
HHT, 2 H <--
HTH, 2 H <--
HTT, 1 H <--
THH, 2 H <--
THT, 1 H <--
TTH, 1 H <--
TTT, 0 H <--
At most 2 means less than or equal to 2,

|
|
|