Mathematics, 19.09.2020 01:01 tinasidell1972
The number of square feet per house is normally distributed with a population standard deviation of 154 square feet and an unknown population mean. If a random sample of 16 houses is taken and results in a sample mean of 1550 square feet, find a 80% confidence interval for the population mean. Round your answer to TWO decimal places.
Answers: 1
= Sample mean , n= Sample size, z* = critical two tailed z-value , 
= population standard deviation.
square feet
square feet
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