Mathematics, 20.04.2021 20:20, Samuelgamboe

Checked baggage at an airport has a mean weight of 40 pounds per bag with standard deviation of 12 pounds. Carry-on bags weigh and average of 8 pounds with a standard deviation of 5 pounds.
Let D represent the difference in weight between a checked bag and a carry-on bag.
What is the standard deviation of D?
7 pounds
13 pounds
ООООО
17 pounds
11 pounds
32 pounds

Answers: 3

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