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Jasten
27.04.2021 •
Mathematics
The NFL needs to buy a new batch of official coins for the pre-game coin flip. They get 3 sample coins from a manufacturer based in Sweden, and tell their intern to flip all 3 coins simultaneously multiple times and count the number of heads each time. The intern gets: 0 heads 5 times; 1 head 10 times; 2 heads 9 times; and 3 heads 6 times. Should the NFL buy coins from that manufacturer, i.e., are the coins fair or not
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