In the Minnesota Northstar Cash Drawing you pick five different numbers between 1 and 31. What is the probability of picking the winning combination (order does not matter)?
Answer to relevant QuestionsAmerican Express Business Travel uses a six-letter record locator number (RLN) for each client's trip (e.g., KEZLFS). (a) How many different RLNs can be created using capital letters (AZ)? (b) What if they allow any ...Find the following combinations nCr: a. n = 8 and r = 3. b. n = 8 and r = 5. c. n = 8 and r = 1. d. n = 8 and r = 8. A certain model of remote-control Stanley garage door opener has nine binary (off/on) switches. The homeowner can set any code sequence. (a) How many separate codes can be programmed? (b) If you try to use your door opener ...A turboprop aircraft has two attitude gyros, driven from independent electrical sources. On a six-hour fight, assume the probability of failure of each attitude gyroscope is 0.0008. Does this achieve " five-nines" ...High levels of cockpit noise in an aircraft can damage the hearing of pilots who are exposed to this hazard for many hours. Cockpit noise in a jet aircraft is mostly due to airflow at hundreds of miles per hour. This 3 × 3 ...
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