You think it's 50-50? Maybe not:
What's the probability you live in an odd numbered house? - singingbanana
Fair coins:
How random is a coin toss? - Numberphile
Should you catch a tossed coin? - Numberphile
... and dice:
Fair Dice (Part 1) - Numberphile
Fair Dice (Part 2) - Numberphile
Birthday problem slightly differently:
23 and Football Birthdays - Numberphile
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