In a Pew Research Center poll of Internet users aged 18-29, 53% said that they use Instagram. We want to use a 0.05 significance level to test the claim that the majority of Internet users aged 18-29 use Instagram. What should we conclude about the original claim?

In a Pew Research Center poll of Internet users aged 18-29, 53% said that they use Instagram. We want to use a 0.05 significance level to test the claim that the majority of Internet users aged 18-29 use Instagram. Using a sample size of 532, find the value of the test statisti c.

Research into the background and business activities of two well-known entrepreneurs in your own country. Identify the personal characteristics that you believe each entrepreneur has which have helped them to succeed. Write a brief report on each one and be prepared to present your reports to the rest of your class.

Which of the following is the underlying question of any psychological research statistics?

a. Is behavior determined by “nature” or “nurture”? b. Do people want to be “good” or “bad” in their general behaviors? c. Is there a singular commonality that underlies all behaviors? d. Are groups different from each other, and are two variables related to each other?

Research differences in how people from cultures outside of the United States communicate when speaking. Consider such differences in how those from other cultures greet one another, and whether and how they shake hands, make eye contact, or gesture. Write a half-page report your findings.

According to Global Research News (Mar. 4, 2014), one-fourth of all rough diamonds produced in the world are blood diamonds, i.e., diamonds mined to finance war or an insurgency. In a random sample of 700 rough diamonds purchased by a diamond buyer, let x be the number that are blood diamonds. Find the mean of x.

With guidance from your teacher or parents, use the Internet to research a grain that is new to you. Find out about the appearance of the grain, the processing, the taste and texture, and how it is cooked and prepared. Use a word processing program to write a report on your information. Include all of the information you have gathered.

Making and Using Tables Research at least ten hurricanes that have occurred throughout the world since 1980. Based on the Saffir-Simpson scale, make a data table showing wind speed, air pressure in the center, and property damage associated with each hurricane. For more help, refer to the Skill Handbook.

Science and Technology Retailers desire lighting that highlights merchandise but also reduces energy and replacement costs. Conduct research on the technology of compact fluorescent lights (CFL) or light-emitting diodes (LED) lighting and the potential applications for visual merchandising and display. Recommend a way to incorporate these lighting systems into a local store.

A marketing research firm suggests to a company that two possible competing products can generate incomes X and Y (in millions) that are N(3, 1) and N(3.5, 4), respectively. Clearly, P(X < Y) > 1/2. However, the company would prefer the one with the smaller variance if, in fact, P(X > 2) > P(Y > 2). Which product does the company select?

Keegan and Jeff did some research and found that there are approximately 7,492,000,000,000,000,000 grains of sand on Earth. Jeff says that it is about $7 \times 10^{15}$ grains of sand. Keegan says that this is about $7 \times 10^{18}$ grains of sand. Whose estimate, Jeff's or Keegan's, is more logical? Explain.

Group members should choose a particular field of interest. Research how linear programming is used to solve problems in that field. If possible, investigate the solution of a specific practical problem. Present a report on your findings, including the contributions of George Dantzig, Narendra Karmarkar, and L. G. Khachion to linear programming.

Gas centrifuge technology is an emerging technology. The technology enriches mined uranium to levels at which it can be used to generate nuclear power. The use of centrifuges increases the concentration of the isotope uranium-235 in the uranium. Research the various applications of gas centrifuge technology. How has it affected the efficiency of energy production?

Make a circle graph for each set of data. Technology Annual Budget

$$\begin{matrix} \text{New equipment} & \text{\$320.000}\\ \text{Repair/upgrade} & \text{\$80.000}\\ \text{Internet access} & \text{\$40.000}\\ \text{Salaries} & \text{\$180.000}\\ \text{Research} & \text{\$100.000}\\ \end{matrix}$$