lovecats12
29.03.2021 •
Mathematics
A case of food poisoning was traced to a particular restaurant chain. A survey was conducted three months after the food poisoning with a sample of 324 customers. 65 of them indicated that they would not go back to the restaurant because of the potential for food poisoning. Construct a 95% confidence interval for the true proportion of customers who still refuse to go back to the restaurant three months after the event.
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Ответ:
Graphite has a giant covalent structure in which:
each carbon atom is joined to three other carbon atoms by covalent bonds
the carbon atoms form layers with a hexagonal arrangement of atoms
the layers have weak forces between them
each carbon atom has one non-bonded outer electron, which becomes delocalised: