# Question

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 on 1,000 other garages, how many times would you expect to succeed?

(a) How many separate codes can be programmed?

(b) If you try to use your door opener on 1,000 other garages, how many times would you expect to succeed?

## Answer to relevant Questions

(a) In a certain state, license plates consist of three letters (AZ) followed by three digits (09). How many different plates can be issued? (b) If the state allows any six-character mix (in any order) of 26 letters and ...A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a one-hour fight is .02. What is the probability that (a) Both will fail? (b) Neither will ...How many riders would there have to be on a bus to yield (a) A 50 percent probability that at least two will have the same birthday? (b) A 75 percent probability? Which of the following could not be probability distributions? Explain. A manufacturing project has five independent phases whose completion must be sequential. The time to complete each phase is a random variable. The mean and standard deviation of the time for each phase are shown below. (a) ...Post your question

0