Sleeping Beauty problem: Difference between revisions
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=={{header|11l}}==
{{trans|Python}}
<lang 11l>F sleeping_beauty_experiment(repetitions)
‘
Run the Sleeping Beauty Problem experiment `repetitions` times, checking to see
how often we had heads on waking Sleeping Beauty.
’
V gotheadsonwaking = 0
V wakenings = 0
L 0 .< repetitions
V coin_result = random:choice([‘heads’, ‘tails’])
// On Monday, we check if we got heads.
wakenings++
I coin_result == ‘heads’
gotheadsonwaking++
// If tails, we do this again, but of course we will not add as if it was heads..
I coin_result == ‘tails’
wakenings++
I coin_result == ‘heads’
gotheadsonwaking++ // never done
print(‘Wakenings over ’repetitions‘ experiments: ’wakenings)
R Float(gotheadsonwaking) / wakenings
V CREDENCE = sleeping_beauty_experiment(1'000'000)
print(‘Results of experiment: Sleeping Beauty should estimate a credence of: ’CREDENCE)</lang>
{{out}}
<pre>
Wakenings over 1000000 experiments: 1500892
Results of experiment: Sleeping Beauty should estimate a credence of: 0.332540916
</pre>
=={{header|Arturo}}==
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