A political scientist wants to prove that a candidate is currently carrying more than 60% of the vote in the state. Her assistants randomly sample 200 eligible voters in the state by telephone and only 90 declare that they support her candidate. The observed z-value for this problem is

What’s resistance in an electrical circuit ?

Kyle, a receptionist for a building supply company, recently won an award for saving his company money on their phone system. after being presented with kyle's research, the company changed the way in which it made long-distance phone calls and cut their expenses in this area by 75 percent. the new system the kyle's company most likely adopted was wired communications switching stations voip hdtv

When guido van rossum created python, he wanted to make a language that was more than other programming languages. a. code-based b. human-readable c. complex d. functional