The velocity of a skydiver t seconds after jumping is given by v(t)= 80(1-e^-.2t). after how many seconds is the velocity 120 ft/sec?

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

{0,1,2,3,4,5,6,20,21,22,23,24,25} the distribution is considered to be: skewed the right, skewed the left, not skewed?