(d) suppose that johanna's acceleration is positive for the interval 12 < t < 20 seconds. given that johanna's position at t=12 is 150 meters, explain why the position of the particle at t=20 must be greater
than 1700 meters.

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places