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@sebastorama
Created September 21, 2021 00:40
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MY_BIRTHDAY = 89
SIMULATIONS = 100000
# true if found someone with my birthday
def run_test(num_people)
((1..num_people).filter do
rand(365) == MY_BIRTHDAY
end).length > 0
end
# ratio between true/falses on the func above
def simulate_n_times(num_people)
puts "Simulating for #{num_people}"
true_false_array = (1..SIMULATIONS).map do
run_test(num_people)
end
answer = true_false_array.filter { |item| item }.length / SIMULATIONS.to_f
puts "Answer is ~ #{answer*100}%"
end
simulate_n_times(182)
simulate_n_times(183)
simulate_n_times(253)
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