daavionne46 daavionne46
  • 25-01-2018
  • Mathematics
contestada

If cole flips a coin three times, what are the chance of him landing a tails twice

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popemaxinep0ahu9
popemaxinep0ahu9 popemaxinep0ahu9
  • 25-01-2018
Flipping a coin is an independent event, meaning the probability of getting heads or tails does not depend on the previous flip. It's 1/2 or 0.5 chance every time.

So three coin flips would be = (0.5)*(0.5)*(0.5)

= 0.125
× 100%
= 12.5% chance
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wolf1728
wolf1728 wolf1728
  • 25-01-2018
When flipping a coin 3 times there are eight possible outcomes:
H H H
H H T
H T H
T H H
H T T
T H T
T T H
T T T
In four of those instances you have at least 2 tails.  Therefore, the chance is 50%.


Answer Link

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