Mathematics, 02.07.2021 14:20 ekayla163
In a survey of 60 people it is formulated 25 like to drink milk,26 coffee and 26 tea, 11 like milk and coffee, 8 like coffee and tea and 8 like none of the three. calculate
a) No of people who like all three
b) no of people who like exactly on the three drinks?
Answers: 3
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In a survey of 60 people it is formulated 25 like to drink milk,26 coffee and 26 tea, 11 like milk a...
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