aseel667789
06.08.2021 •
Mathematics
A random sample of 81 students at a local university showed that they work an average of 100 hours per month. The population standard deviation is known to be 27 hours.
Required:
a. What is the point estimate for the mean hours per month all students at the university work?
b. 95% confidence interval is :
c. 99% confidence interval is:
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Ответ:
dang your question made me have a brain fart
Step-by-step explanation: