molinaemily009
17.05.2021 •
Mathematics
A survey of coffee-drinking habits of the population in a
small town revealed the mean number of cups drunk per
week is 18 and the standard deviation is 4.5. If a normal
distribution is assumed, how many cups per week will
approximately 68% of the population of this small town
drink?
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Ответ:
It would be y=39/4