You are measuring your weight on a scale.
(a) You are measuring your weight on a digital scale which can even show one decimal. The measurement shows 120.7 lb. Within what limits is your true weight likely to be?
(b) You are measuring your weight on another type of scale that has a known uncertainty of ±0.5 lb and shows 121 lb. Within what limits is your true weight likely to be?

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The Answer of You are measuring your weight on a scale.
(a) You are measuring your weight on a digital scale which can even show one decimal. The measurement shows 120.7 lb. Within what limits is your true weight likely to be?
(b) You are measuring your weight on another type of scale that has a known uncertainty of ±0.5 lb and shows 121 lb. Within what limits is your true weight likely to be?

You Are Measuring Your Weight on a Scale