40% of workers have taken their vacation time by July. Suppose 75 workers are selected at random. Show your calculator steps on parts b and c on your scratch paper. (a) What is the expected number of workers that have taken their vacation time by July? [mean] (b) Find the probability that exactly 28 workers have taken their vacation time by July. Round to three decimal places. [28] (c) Find the probability that at most 35 workers have taken their vacation time by July. Round to three decimal places. [35]  

The headline, “The surprising reason this teacher no longer encourages her students” is an example of which of the following?

During the Boston marathon bombings, users on the Internet misidentified a man, Sunil Tripathi, as one of the perpetrators of the bombing. A Buzzfeed journalist retweeted this information on his twitter handle. Which of the following concepts are at work here?

Answer the following based on a normal distribution with a

A record label may give cash, gifts, or other secret payments to radio DJs or programmers in exchange for more airtime for the label’s artist. What’s the concept?

As discussed in class and in the textbook, how many major recording labels are there?

Based on boyd and Ellison’s criteria, email can be considered a social networking site.

You are a small tea/coffee shop interested in promoting your business. In order to get your business website to show up on search result pages, you study which keywords you must have, which websites to link to, and what sort of web design works best. You are not paying to do this. You are engaging in which activity?

Uses and gratifications research understands the audience as

According to class lectures, networked individualism is characterized by ______________ networks