Imagine that the average time for preparing a meal at a restaurant follows a normal distribution with an Unknown Population mean, but With a known Standard deviation of 7 minutes. A random Sample of 40 mears was taken and it was found that the average Preparation time was 30 minutes. What would be the error bound of the population mean CEBM) for a 95% Confidence level 2

MATLAB: An Introduction with Applications
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11:25 AM Tue Dec 12
B [0]
Imagine that the overage
time for preparing a meal
at a restaurant follows a
normal distribution with an
Unknown Population mean, but
With a known Standard
Quick Notes
Aa
17%
deviation of 7 minutes. A random
Sample of 40 mears was taken
and it was found that the
average Preparation time WAS 30
minutes. What would be the
error bound of the population
mean CEBM) for a 95% Confidence
level?
Transcribed Image Text:11:25 AM Tue Dec 12 B [0] Imagine that the overage time for preparing a meal at a restaurant follows a normal distribution with an Unknown Population mean, but With a known Standard Quick Notes Aa 17% deviation of 7 minutes. A random Sample of 40 mears was taken and it was found that the average Preparation time WAS 30 minutes. What would be the error bound of the population mean CEBM) for a 95% Confidence level?
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