SOLUTION: The probability of obtaining at least two heads in a toss of a fair die trice is?

Algebra ->  Probability-and-statistics -> SOLUTION: The probability of obtaining at least two heads in a toss of a fair die trice is?      Log On


   



Question 1082460: The probability of obtaining at least two heads in a toss of a fair die trice is?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Look at the possible outcomes (there are 2^3 or 8 of them),
HHH-3
HHT-2
HTH-2
HTT-1
THH-2
THT-1
TTH-1
TTT-0
Four of them have 2 or more heads.
P=4%2F8
P=1%2F2