Mathematics, 19.03.2020 20:40 nourmaali
The heights of dogs, in inches, in a city are normally distributed with a population standard deviation of 4 inches and an unknown population mean. If a random sample of 18 dogs is taken and results in a sample mean of 32 inches, find the error bound (EBM) of the confidence interval with a 90% confidence level.
Answers: 1
level, that is the subtraction of 1 by the confidence interval divided by 2. So:
.
, so 
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