For every beer drinker it is extremely important to determine whether the glass of tapped beer...

For every beer drinker it is extremely important to determine whether the glass of tapped beer in a certain pub contains 0.5l of beer as claimed. Based on the random sample of 200 beers the following sample characteristics were obtained: sample mean 0.49l and sample standard deviation 0.1l. Based on the assumption that the amount of beer in a glass is normally distributed, construct a 95% condence interval for the mean.

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orchestra answered 2 years ago

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