Question: In a follow-up article on Y2K problems, a reporter wants to conduct a survey of small businesses, in order to estimate the true proportion of

In a follow-up article on Y2K problems, a reporter wants to conduct a survey of small businesses, in order to estimate the true proportion of small businesses that took some action regarding the Y2K problem-that is, the then-widespread concern that when the date 2000 arrived, it would confuse software that used two-digit dates (such as 99). The reporter wants 95% confidence that her results have a margin of error of 0.03. How many small businesses must be surveyed?
a. Assume the reporter will estimate based on a 1998 Industry Canada study, according to which 66% of small businesses were taking action.
b. Assume, instead, that we do not have prior information on which to estimate the value of .

Step by Step Solution

★★★★★

3.46 Rating (172 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a b p 66 n z025 4E n 1960 ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

789-M-S-S-I (5356).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

5.3. Consider the Big M Co. problem presented in Section 3.5, including the spreadsheet in Figure 3.10 showing its formu- lation and optimal solution. There is some uncertainty about what the unit...

On January 4. 2000, the Gallup Organization released the results of a poll dealing with the likelihood of computer-related Y2K problems and the possibility of terrorist attacks during the New Year's...

The National Institute for Standards and Technology (NIST) mandates that for every 100 items scanned through the electronic checkout scanner at a retail store, no more than 2 should have an...

In a follow-up study, 103 patients in the Netherlands having warts were randomly assigned to use duct tape or a placebo, which was a ring covered by tape so that the wart itself was kept clear (Arch....

\fThis is an electronic version of the print textbook. Due to electronic rights restrictions, some third party content may be suppressed. Editorial review has deemed that any suppressed content does...

Case study: Remedy Physiotherapy. I need help in drafting a marketing plan Names of people and businesses are disguised. Some aspects of the local area and the physiotherapy industry are simplified...

Confirming Pages C H A P T E R 19 Analyzing Information and Writing Reports Chapter Outline Using Your Time Efficiently Analyzing Data and Information for Reports Identifying the Source of the Data...

2.In a geology course, students were learning to use a balance scale to make accurate weighings of rock samples. One student plans to weigh a rock 20 times and then calculate the average of the 20...

1. Analyze the article Remember to use the analysis tools in your writing ask yourself after reading the article "so what?" and "why is this important?" *** Article: Marketing is important to every...

Prepare a two-to-three page case study report on the following case: COVER STORY: INTERNAL FRAUD on pages 104-106 in Chapter 4: Billing Schemes of the Fraud Examination text by Wells. Discuss the...

Set Student Name: 1. Answer true or false for each part, and if false, explain your answer. a. The point estimate for the population mean, , of an x distribution is x-bar, computed from a random...

Suppose you own a fast-food outlet and buy 100 kilograms of potatoes that are 99% water. After leaving them outside for a few days, you are told that they are now only 98% water. Assuming that they...

Consider the parallel system shown in the accompanying figure. The reliability for each component is shown in the figure. Assuming the components operate independently, calculate the system...

2. Understanding Option Quotes (LO1) Use the option quote information shown here to answer the questions that follow. The stock is currently selling for $85. 1. Are the call options in the money?...

Let u = (1, 6, -1, -4). Find the orthogonal projection of u onto subspace of R* spanned by the vectors v1 (-4, 1, 0, -1) and v2 (0, 1,-4, 1).

40 3 14 A = 72 [] A has A = 7 as an eigenvalue, with corresponding eigenvector and = 4 as an eigenvalue, with [:] corresponding eigenvector Find the solution to the system * = y1 + 2 that satisfies...

Plot a full-page scatter graph with In (1/t) (on the vertical axis) vs. In [H*| (on the horizontal axis), and use a straight line curve fitting to draw your line. Using the equation given for your...

1 1 A = 1 1 1 1 1 1 Find a basis for the column space of A. () {(1, 1, 1), (0, 1, 0), (1, 3, 0), (1, 1, 1)} (B) {(1, 1, 1)} (C) {(1, 1, 1), (0, 1, 0)} D) {(1, 0, 0, 0), (0, 1, 0, 0), (0, 0, 1, 0),...

The project management team has determined that there are some changes to the scope of the project. According to the PMBOK, who is responsible for reviewing, evaluating, and approving documented...

Use the data in Exercise 24 of Section 7.1. a. Construct a scatterplot and, based on visual inspection, draw the best-fit line by eye. b. Briefly discuss the strength of the correlation. Estimate or...

Use the data in Exercise 25 of Section 7.1. a. Construct a scatterplot and, based on visual inspection, draw the best-fit line by eye. b. Briefly discuss the strength of the correlation. Estimate or...

For a study involving paired sample data, it is found that r = 0.4. What is the value of r2? In general, what is r2 called, what does it measure, and how can it be interpreted? That is, what does its...

Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm. For a random sample of 157 adult males, the mean pulse rate is 70.3 bpm and the standard deviation is 10.6 bpm....

A contractor estimates that maintenance on a new piece of equipment will be $275 for the first month and it will increase by 0.5% each month afterwards. However, the contractor is offered a service...

see image for questions This is a simplied example, but it represents a problem that comes up frequently: given a set of uncertain inputs and a limited budget, which of them matter enough to warrant...