Jerome is a dietician who tracks his daily caloric intake from different sources of nutrients. Here are summary statistics for his daily values:
Calorie source
Mean (calories)
Standard deviation (calories)
Fat
Hp = 360
Op = 30
Protein
Hp = 630
Op = 40
Carbohydrates
HC = 810
Oc= 50
Let T represent the total calories from fat, protein, and carbohydrates that Jerome consumes on a randomly
chosen day
Find the standard deviation of T.