Use the Cumulative Normal Distribution Table to find the z-scores that bound the middle 96% of the area under the standard normal curve. Enter the answers in ascending order. Round the answers to two decimal places.
The Z-scores for the given area are
and

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =