267. 5 n unbalanced force applied to push a stuffed chair across the room, causing an acceleration of 4. 2 m/s2. What is the mass of the chair?

Consider a normal distribution of frog weights with u = 500 grams and o = 65 grams. a sample of size 2,000 is drawn from this population. approximately how many of the 2,000 cases would you expect to find between 435 and 565?