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0 / 60 seg.
If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?
T
H
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R
_
_
S
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5
0
/
5
0
C
H
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N
C
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_
F
_
_
C
H
T
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S
S
B
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N
G
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_
T
H
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R
H
_
_
D
S
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R
T
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_
L
S
.
T
H
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P
R
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V
_
_
_
S
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S
S
D
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_
S
N
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T
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M
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C
T
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X
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S
Clue
THERE IS A 50/50 CHANCE OF EACH TOSS BEING EITHER HEADS OR TAILS. THE PREVIOUS TOSS DOES NOT IMPACT THE NEXT TOSS
YES. HE TOOK AS MUCH TIME FOR THE SECOND HALF OF HIS TRIP AS THE WHOLE TRIP WOULD HAVE TAKEN ON FOOT. SO NO MATTER HOW FAST THE TRAIN WAS, HE LOST EXACTLY AS MUCH TIME AS HE SPENT ON THE TRAIN. HE WOULD HAVE SAVED 1⁄30 OF THE TIME BY WALKING ALL THE WAY
66 SECONDS. WHEN THE CLOCK STRUCK SIX, THERE WERE ONLY 5 INTERVALS BETWEEN STROKES, AND EACH INTERVAL WAS 6 (30/5) SECONDS. BETWEEN THE FIRST AND TWELFTH STROKES THERE WILL BE 11 INTERVALS OF 6 SECONDS EACH; THEREFORE, 12 STROKES WILL TAKE 66 SECONDS
BECAUSE THERE ARE TWO SIDES TO THE COIN, THE CHANCES ARE ALWAYS ONE IN TWO
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