Mathematics, 14.07.2019 10:30 Brendangrigley6571
Asample of size 36 from a normally distributed population variable with population standard deviation 20 had a sample mean of 88. find a 90% confidence interval for the population mean.
Answers: 1
and population standard deviation is 
.
confidence interval for population mean is
.
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Asample of size 36 from a normally distributed population variable with population standard deviatio...
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