Normal: between two values
A statistics problem from Statisticsdrill. Solve it with one answer box, with a fresh sample on every attempt and the worked steps and spreadsheet function in the answer, and it is checked the moment you submit.
The task
The fill weight of cereal boxes is normally distributed with mean 482 grams and standard deviation 12 grams. What proportion falls between 478.4 and 495.2 grams? Round to 4 decimal places.
What this problem teaches
Convert both values to z-scores, then subtract the lower cumulative area from the upper one.
A hint if you get stuck
Convert both values to z-scores, then subtract the lower cumulative area from the upper one.
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