SOLUTION: Three fair dice are shaken and rolled onto a table. What is the probability that all three dice will display an odd number of spots on their top faces?
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Question 515095: Three fair dice are shaken and rolled onto a table. What is the probability that all three dice will display an odd number of spots on their top faces? Found 2 solutions by stanbon, Edwin McCravy:Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Three fair dice are shaken and rolled onto a table. What is the probability that all three dice will display an odd number of spots on their top faces?
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Total # of elements in sample space: 6^3 = 216
# of ways to succeed
1,3,5::: 6 ways
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P(3 odd faces) = 6/216 = 1/36
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Cheers,
Stan H.
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You can put this solution on YOUR website! Three fair dice are shaken and rolled onto a table. What is the probability that all three dice will display an odd number of spots on their top faces?
The other tutor's answer is wrong. The answer is 1/8.
Because each of the following 8 cases is equally likely
because a die has 3 even spots and 3 odd spots. The
8th one below is the 1 successful one among the 8.
die1 die2 die3
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1. EVEN EVEN EVEN
2. EVEN EVEN ODD
3. EVEN ODD EVEN
4. EVEN ODD ODD
5. ODD EVEN EVEN
6. ODD EVEN ODD
7. ODD ODD EVEN
8. ODD ODD ODD
Edwin