Automobile claim amounts are modeled by a uniform distribution on the interval [0, 10,000]. actuary a reports x the claim amount divided by 1000. actuary b reports y, which is rounded to the nearest integer from 0 to 10 calculate the absolute value of the difference between the 4th moment of x and the 4th moment of y o(a o o(b) 33 o(c) 296 o (d) 303 o (e) 533

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?