But Paul Harper calculates that swapping duplicates with friends will reduce cost to about £250
A maths professor from Cardiff has calculated that filling this year’s World Cup sticker book will cost collectors £773.60. Prof Paul Harper has devised a formula that suggests, given the probabilities of getting duplicate stickers, on average an individual would need to buy 967 packets or 4,832 stickers to get the set.
As well as pictures of the 32 squads of players competing in Russia this summer, there are special stickers for national badges, team group shots and host city posters, making a total of 682 stickers needed to fill the book.
from Football | The Guardian https://ift.tt/2pQe2av
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