CAS MA 113 Midterm: MA 113- Exam 3 Notes

24. Umbuggio has two microphones which he uses to teach in RH100; one is Sony and one is Telefunken. The Sony fails with probability .3, while the Tele- funken fails with probability 4. On Monday morn- ing, Umbuggio picks a microphone at random. What is the probability that it will fail? (a) .7 (b) .35 (c) .12 (d) .58 (e) .42 (f) none of the above

Lake Lanier in Georgia, USA, is a reservoir created by Buford Dam on the Chattahoochee River. The table shows the rate of inflow of water, in cubic feet per second, as measured every morning at 7:30 AM by the US Army Corps of Engineers. Use the Midpoint Rule to estimate the amount of water that flowed into Lake Lanier from July 18^th, 2013, at 7:30 AM to July 26^th at 7:30 AM.