Mathematics, 25.11.2019 19:31 BreBreDoeCCx
To test the effectiveness of protective packaging ,a firm shaped out 1200 orders in regular light packaging and 1500 orders in heavy-duty packaging .of the orders shipped in light packaging ,20 arrived in damaged condition ,while of the orders shipped in heavy-duty packaging ,15 arrived in dameged condition .using ? =0.05 ,can you conclude that heavy-duty packaging reduced the proportion of dameged shipments ?
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To test the effectiveness of protective packaging ,a firm shaped out 1200 orders in regular light pa...
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