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Test at alpha =.01   Construct a 2-tailed 95% C.I.E of μ. The upper limit of the confidence interval is

Test at alpha =.01   Construct a 2-tailed 95% C.I.E of μ. The upper limit of the confidence interval is

Calculus For The Life Sciences
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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Baterry&Gadgets store claims that its batteries have a life of more than 600 hours. The Mall Inspectors test a sample of 20 batteries, and found: X = 592 hours   s = 40 hours

  1. a) Test at alpha =.01

 

  1. Construct a 2-tailed 95% C.I.E of μ. The upper limit of the confidence interval is 

 

 

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