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Directions: Answer each question to the best of your ability. Please show all work (including the...

Directions: Answer each question to the best of your ability. Please show all work (including the 7 steps of
Hypothesis Test) and round decimals to the nearest ten-thousandths.

4. To test the effectiveness of protective packaging, Amazon shipped out 1500 orders in regular light
packaging and 1800 orders in heavy-duty packaging. Of the orders shipped in light packaging, 25
arrived in damaged condition, while of the orders shipped in heavy-duty packaging, 20 arrived in
damaged condition. Can you conclude that heavy-duty packaging reduces the proportion of damaged
shipments?

Math   Statistics-And-Probability   
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To test the effectiveness of protective packaging, a firm shipped out 800 orders in regular light...
To test the effectiveness of protective packaging, a firm shipped out 800 orders in regular light packaging and 1200 orders in heavy-duty packaging. Of the orders shipped in light packaging, 15 arrived in damaged condition, while of the orders shipped in heavy-duty packaging, 12 arrived in damaged condition. Can you conclude that heavy-duty packaging reduces the proportion of damaged shipments?
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