In your work for a national health organization, you are asked to monitor the amount of sodium in a certain brand of cereal. You find that a random sample of 82 cereal servings has a mean sodium content of 233 milligrams. Assume the populationstandard deviation is 10 milligrams. At a = 0.01 , can you conclude that the mean sodium content per serving of cereal is different from 230 milligrams?

(DESIGN) State your Hypotheses in words and parameters.

(DESIGN) State Significance Levelof the test and explain what Type I error is in context.

(DESIGN) Determine the statistical model (test statistic)

(DESIGN) Determine decision ruleby determining

the rejection region.(critical-value method)