donny34
09.02.2022 •
Mathematics
(CO 3) The times that customers spend in a book store are normally distributed with a mean of 39.5 minutes and a standard deviation of 15.9 minutes. A random sample of 25 customers has a mean of 36.1 minutes. Would this outcome be considered unusual, so that the store should reconsider its displays
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Ответ:
$1.25
Step-by-step explanation:
cuz 5 divided by 4 is 1.25
douple check - 1.25 times4 is 5!