4. Let X₁,..., Xn be n random samples of a normal distribution X~ N(μ, 300) where μ is unknown. What sample size n is required such that the width of the 97 percent confidence interval is barely larger than 5?
4. Let X₁,..., Xn be n random samples of a normal distribution X~ N(μ, 300) where μ is unknown. What sample size n is required such that the width of the 97 percent confidence interval is barely larger than 5?
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 7E
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