computed. 12. Basic Computation: Confidence Interval Suppose x has a mound-shaped distribution with a = 9. A random sample of size 36 has sample mean 20. (a) Check Requirements Is it appropriate to use a normal distribution to compute a confidence interval for the population mean μ? Explain. (b) Find a 95% confidence interval for u. (c) Interpretation Explain the meaning of the confidence interval you computed.

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
Section13.3: Special Probability Density Functions
Problem 53E
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Please answer number 12. Make sure to show work! 

computed.
12. Basic Computation: Confidence Interval Suppose x has a mound-shaped
distribution with o = 9. A random sample of size 36 has sample mean 20.
(a) Check Requirements Is it appropriate to use a normal distribution to
compute a confidence interval for the population mean μ? Explain.
(b) Find a 95% confidence interval for u.
(c) Interpretation Explain the meaning of the confidence interval you
computed.
Transcribed Image Text:computed. 12. Basic Computation: Confidence Interval Suppose x has a mound-shaped distribution with o = 9. A random sample of size 36 has sample mean 20. (a) Check Requirements Is it appropriate to use a normal distribution to compute a confidence interval for the population mean μ? Explain. (b) Find a 95% confidence interval for u. (c) Interpretation Explain the meaning of the confidence interval you computed.
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