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    Statistics - Hypothesis Test

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    A cereal manufacturer wants to determine if the filling machine is operating to specifications. The machine is specified to fill to a 12oz level. A sample of 100 boxes of cereal is taken from the packaging line. The mean of samples is 11.85 oz., with a standard deviation of 0.5 oz. The level of significance is 0.05.

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    https://brainmass.com/statistics/hypothesis-testing/cereal-manufacturers-filing-machine-operate-properly-208586

    Solution Preview

    1) First, we define our null hypothesis.

    H0: m = 12 vs Ha: m is not equal to 12

    2) We then use our data on number of observations, hypothesized mean, sample mean, and a z-table to find the ...

    Solution Summary

    A complete, neat and step-by-step solution to the hypothesis testing is provided to determine if the cereal manufacturer's filing machine is operating to specifications.

    $2.19

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