MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Design specification for a motor housing states that it should weigh between 23 and 25 kgs. The process that produces the housing
yields a mean of 24.0 kg and a standard deviation of 0.5 kg. The distribution of output is Normal.
a. What percentage of housing will not meet the design specification? (Round the final answer to 2 decimal places.)
Z
%
b. Within what values should 95.44 percent of sample means of this process fall if samples of n = 27 are taken? (Round the final
answers to 2 decimal places.)
Interval
to
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Transcribed Image Text:Design specification for a motor housing states that it should weigh between 23 and 25 kgs. The process that produces the housing yields a mean of 24.0 kg and a standard deviation of 0.5 kg. The distribution of output is Normal. a. What percentage of housing will not meet the design specification? (Round the final answer to 2 decimal places.) Z % b. Within what values should 95.44 percent of sample means of this process fall if samples of n = 27 are taken? (Round the final answers to 2 decimal places.) Interval to
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