Explore BrainMass

Explore BrainMass

    Statistics - Hypothesis Test

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    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.

    © BrainMass Inc. brainmass.com June 3, 2020, 9:58 pm ad1c9bdddf

    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.