The average diameter of ball bearings of a certain type is supposed to be 0.5 inch. What conclusion is appropriate when esting Ho: μ = 0.5 versus H₂:μ 0.5 inch in each of the following situations? a: USE SALT (a) n = 13, t = 1.60, α = 0.05 Oreject Ho O fail to reject Ho (b) n = 13, t = -1.60, α = 0.05 Oreject Ho Ofail to reject Ho

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.6: Solving Problems Involving Quadratic Equations
Problem 1.3E
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The average diameter of ball bearings of a certain type is supposed to be 0.5 inch. What conclusion is appropriate when
testing Ho: μ = 0.5 versus H₂: μ‡ 0.5 inch in each of the following situations?
a
USE SALT
(a) n = 13, t = 1.60, a = 0.05
O reject Ho
fail to reject Ho
(b) n = 13, t = -1.60, α = 0.05
O reject Ho
O fail to reject Ho
(c) n = 26, t = -2.60, α = 0.01
O reject Ho
O fail to reject Ho
(d) n = 26, t = -3.60
O reject Ho at any reasonable significance level
O fail to reject Ho at any reasonable significance level
Transcribed Image Text:The average diameter of ball bearings of a certain type is supposed to be 0.5 inch. What conclusion is appropriate when testing Ho: μ = 0.5 versus H₂: μ‡ 0.5 inch in each of the following situations? a USE SALT (a) n = 13, t = 1.60, a = 0.05 O reject Ho fail to reject Ho (b) n = 13, t = -1.60, α = 0.05 O reject Ho O fail to reject Ho (c) n = 26, t = -2.60, α = 0.01 O reject Ho O fail to reject Ho (d) n = 26, t = -3.60 O reject Ho at any reasonable significance level O fail to reject Ho at any reasonable significance level
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