An economist is interested in studying the incomes of employees in a particular silicon valley firm. The population standard deviation is known to be $5000. What total sample size would the economist need to use for a 95% confidence interval if the width of the interval should not be more than $500?.

Remote sensing of the earth's surface and atmosphere may involve the use of what type of instruments?

The authors use the word “backbone” in lines 3 and 39 to indicate that

In her article "why should i vote? " stephanie goggin crafts a well-organized and coherent argument. she states that every person of voting age who is registered should vote. she also argues that if you are not registered to vote, you should be. in conclusion, goggin's argument is laid out in a thoughtful and thorough way that is convincing to readers. which element is missing from this evaluation?