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Suppose you have a heads/tails coin. Suppose you toss it with a 50:50 chance for each side. Now, if you toss it twice... what are the chances you're getting tails at least once?
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2 votes
Suppose you have a heads/tails coin.

Suppose you toss it with a 50:50 chance for each side.
Now, if you toss it twice... what are the chances you're getting tails at least once?

User Der Vampyr
by
8.3k points

2 Answers

7 votes
1 -
(1)/(2) ^(2)

equals 3/4 or 75%
User Mnist
by
8.1k points
2 votes
50% chance for tails because there are 2 sides and you flip it twice. So think it would land once on each side.
User MarZab
by
8.3k points
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