Proportion of children are overweight
BMI in children is approximately normally distributed with a mean of 24.5 and a standard deviation of 6.2. 1) a BMI between 25 and 30 is considered overweight, what proportion of children are overweight?
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A 70.0-kg person stands on a scale in an elevator. What is the apparent weight in each of the following situations? (a) when the elevator is accelerating upward with an acceleration of 1.80 m/s2
If phosphoric acid is pour into an aluminum can, what would thereaction look like? We did this in lab to see if aluminum ofa soda can would leach into the soda, which was substituted with H3PO4 solution we made.
A line of positive charge is formed into a semi circle of radius R = 60.0 cm. The charge per unit length along the semicircle is described by the expression λ=λ0 cos θ. The total charge on the semicircle is 12.0 μC. Calculat
A real estate agent has 12 properties that she shows. She feels there is a 40% chance of selling any one property during a week. The chance of selling any one property is independent of selling another property. Compute the probability of selling
The pressure is 100 psia and during this process the volume triples. Calculate the net cycle work per lbm of air. Assume the air behaves as a constant specific heat ideal gas.
The charge per unit area on each plate has a magnitude of s = 1.10 x 10-4 C/m2. The force on q1 due to q2 equals the force on q1 due to the electric field of the parallel plate capacitor. What is the distance r between the two charges?
A survey revealed the amount of pocket money held by each student in a sample of students. The amounts in dollars are: 5.50, 10.20, 3.15, 6.08, 4.85, 4.80, 4.70, 8.52, 7.90, 6.10, 3.50, 5.40, 7.10, 9.60, 6.24, and 4.28. Assume sigma=2.00. Find the
The electric field intensity between two large, charged, parallel metal plates is 8400 N/C. The plates are 0.06 m apart. What is the electric potential difference between them?
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