SOLUTION: This list shows possible outcomes when 3 coins are tossed at the same time. HHH HHT HTH HTT THH THT TTH TTT What is the probability that at least 2 coins will show hea

Question 900877: This list shows possible outcomes when 3 coins are tossed at the same time.
HHH
HHT
HTH
HTT
THH
THT
TTH
TTT
What is the probability that at least 2 coins will show heads?
a. 5/8, b. 3/4, c. 1/4, d. 1/2
Found 2 solutions by Alan3354, josmiceli:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Looking at your list, I see #'s 1, 2, 3 & 5 that have 2 or more heads.
4/8 = 1/2
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Did you not see that?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Out of these 8 events, there are 4 events
that show at least 2 heads:
HHH
HHT
HTH
THH
So, the probability is
The answer is (d)

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