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Mathematics 8 Online
OpenStudy (mollylasko):

Find the 95% confidence interval for the population mean when the population standard deviation is 4. The sample mean is 6. We assume that the population has a normal distribution. Ten items are taken in the sample.

OpenStudy (mollylasko):

OpenStudy (agent0smith):

Exact same process as last question.

OpenStudy (agent0smith):

x bar = 6 z = 1.96 s = 4 n = 10

OpenStudy (mollylasko):

thank you :) @agent0smith

OpenStudy (agent0smith):

Welcome :)

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