15 lines
418 B
Ruby
15 lines
418 B
Ruby
|
|
def sleeping_beauty_experiment(n)
|
||
|
|
coin = [:heads, :tails]
|
||
|
|
gotheadsonwaking = 0
|
||
|
|
wakenings = 0
|
||
|
|
n.times do
|
||
|
|
wakenings += 1
|
||
|
|
coin.sample == :heads ? gotheadsonwaking += 1 : wakenings += 1
|
||
|
|
end
|
||
|
|
puts "Wakenings over #{n} experiments: #{wakenings}"
|
||
|
|
gotheadsonwaking / wakenings.to_f
|
||
|
|
end
|
||
|
|
|
||
|
|
puts "Results of experiment: Sleeping Beauty should estimate
|
||
|
|
a credence of: #{sleeping_beauty_experiment(1_000_000)}"
|