An SRS of 18 recent birth records at the local hospital was selected. In the sample, the average birth weight was 119.6 ounces a
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Given that a <span>jewelry
box has a length that is 2 inches longer than the width and a height
that is 1 inch smaller than the width.
Let the width of the box be w, then the length of the box is given by l = w + 2 and the height of the box is given by h = w - 1.
The volume of a box is given by
Given that the volume of the box is 140 cubic inches. Thus
Thus, the width of the jewelry box is obtained as follows
Therefore, the width of the jewelry box is 5 inches.
*Note that
gives complex roots, so we did not use it.
</span>
Let the width of the box be w, then the length of the box is given by l = w + 2 and the height of the box is given by h = w - 1.
The volume of a box is given by
Given that the volume of the box is 140 cubic inches. Thus
Thus, the width of the jewelry box is obtained as follows
Therefore, the width of the jewelry box is 5 inches.
*Note that
</span>