A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 419.0 gram setting. It is beleved that the machine is underfilling the bags. A 38 bag sample had a mean of 409.0 grams. A level of significance of 0.05 will be used. Determine the decision rule. Assume the standard deviation is known to be 22.0. Enter the decision rule. E Tables Keypad Answer How to enter your answer Keyboard Shortcuts Reject Ho if z<

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