a special industrial battery must have a life of at least 400 hours. a hypothesis test is tobe conducted with a .02 level of significance. if the batteries from a particular productionrun have an actual mean use life of 385 hours, the production manager wants a samplingprocedure that only 10% of the time would show erroneously that the batch is acceptable.what sample size is recommended for the hypothesis test? use 30 hours as an estimate ofthe population standard deviation.
a special industrial battery must have a life of at least 400 hours. a hypothesis test is tobe conducted with a .02 level of significance. if the batteries from a particular productionrun have an actual mean use life of 385 hours, the production manager wants a samplingprocedure that only 10% of the time would show erroneously that the batch is acceptable.what sample size is recommended for the hypothesis test? use 30 hours as an estimate ofthe population standard deviation.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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a special industrial battery must have a life of at least 400 hours. a hypothesis test is to
be conducted with a .02 level of significance. if the batteries from a particular production
run have an actual mean use life of 385 hours, the production manager wants a sampling
procedure that only 10% of the time would show erroneously that the batch is acceptable.
what
the population standard deviation.
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