Sergio is doing a long hike and is carefully calculating his pack weight. An energy bar has mean weight 3.00 ounces and standard deviation 0.06. The weights of the bars are independent. A juice box has mean weight 4.5 ounces and standard deviation 0.20. The weights of the juice boxes are independent. If he takes 4 energy bars and 6 juice boxes, what will be the STANDARD DEVIATION of the total weight in pounds from these items? Hint: If W is the weight in ounces, then W/16 is the weight in pounds.
Sergio is doing a long hike and is carefully calculating his pack weight. An energy bar has mean weight 3.00 ounces and standard deviation 0.06. The weights of the bars are independent. A juice box has mean weight 4.5 ounces and standard deviation 0.20. The weights of the juice boxes are independent. If he takes 4 energy bars and 6 juice boxes, what will be the STANDARD DEVIATION of the total weight in pounds from these items? Hint: If W is the weight in ounces, then W/16 is the weight in pounds.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Sergio is doing a long hike and is carefully calculating his pack weight. An energy bar has mean weight 3.00 ounces and standard deviation 0.06. The weights of the bars are independent. A juice box has mean weight 4.5 ounces and standard deviation 0.20. The weights of the juice boxes are independent.
If he takes 4 energy bars and 6 juice boxes, what will be the STANDARD DEVIATION of the total weight in pounds from these items?
Hint: If W is the weight in ounces, then W/16 is the weight in pounds.
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