random sample of size n = 49 is taken from a population with a mean of μ = 100 and a standard deviation of σ = 8, what is the 95% confidence interval for the sample mean (x̄)?

MATLAB: An Introduction with Applications
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If a random sample of size n = 49 is taken from a population with a mean of μ = 100 and a standard deviation of σ = 8, what is the 95% confidence interval for the sample mean (x̄)?
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n=49 

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