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)?

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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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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ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,