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Diffstat (limited to 'Doc/library/random.rst')
| -rw-r--r-- | Doc/library/random.rst | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Doc/library/random.rst b/Doc/library/random.rst index a543ff0..7d051e1 100644 --- a/Doc/library/random.rst +++ b/Doc/library/random.rst @@ -385,12 +385,16 @@ Simulations:: >>> # Estimate the probability of getting 5 or more heads from 7 spins >>> # of a biased coin that settles on heads 60% of the time. - >>> trial = lambda: choices('HT', cum_weights=(0.60, 1.00), k=7).count('H') >= 5 + >>> def trial(): + ... return choices('HT', cum_weights=(0.60, 1.00), k=7).count('H') >= 5 + ... >>> sum(trial() for i in range(10000)) / 10000 0.4169 >>> # Probability of the median of 5 samples being in middle two quartiles - >>> trial = lambda : 2500 <= sorted(choices(range(10000), k=5))[2] < 7500 + >>> def trial(): + ... return 2500 <= sorted(choices(range(10000), k=5))[2] < 7500 + ... >>> sum(trial() for i in range(10000)) / 10000 0.7958 |