What sample size would be needed to obtain an error of, Ask an Expert

Statistics

A sample of 20 pages was taken without replacement from the 1,591-page phone directory Ameritech Pages Plus Yellow Pages. On each page, the mean area devoted to display ads was measured (a display ad is a large block of multicolored illustrations, maps, and text). The data (in square millimeters) are shown below:

0	260	356	403	536	0	268	369	428	536
268	396	469	536	162	338	403	536	536	130

What sample size would be needed to obtain an error of ±10 square millimeters with 99 percent confidence?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9165573

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

When circuit boards used in the manufacture of compact disc

When circuit boards used in the manufacture of compact disc players are tested, the long run percentage of defectives is 5%. Let X= the number of defective boards in random sample of size n=25, so X ~ Bin( 25, .05). a) ...

A budgeting web site reported thatnbsp20nbspof us

A budgeting Web site reported that 20?% of U.S. households have withdrawn money from a? 401(k) or other retirement account for needs other than retirement in 2013. A random sample of 11 U.S. households was selected. Comp ...

The bold and italics portion is as far as ive gotten with

The bold and italics portion is as far as I've gotten with the equation. Help me finish? And am I on the right track? A survey showed that 1200 of the 1600 adult respondents believe in global warming. (a) Construct a 95% ...

Answer as thourough as possibleconsider an airline whose

Answer as thourough as possible. Consider an airline whose bottom line is sensitive to volatile jet fuel prices. To reduce the volatility, management decides to use derivatives to hedge the cost of jet fuel. The risk man ...

Bar-eli azar ritov keidar-levin and schein 2007 analyzed

Bar-eli, Azar, Ritov, Keidar-Levin, and Schein (2007) analyzed 286 penalty kicks among professional soccer players. They recorded the direction that the ball was kicked (left, center, right) and the direction that the go ...

Question 1 assume you have noted the following prices for

Question: 1. Assume you have noted the following prices for paperback books and the number of pages that each book contains. Develop a least-squares estimated regression line. i. Compute the coefficient of determination ...

With a die being rolled the set of equally likely outcomes

With a die being rolled. The set of equally likely outcomes is? {1, 2? 3, 4? 5, 6}. Find the probability of getting a 10.

Find the z-score boundary that separates a normal

Find the z-score boundary that separates a normal distribution as described in each of the following: The lowest 20% of scores

Consider the probability distribution shown belowx 0 1 2 px

Consider the probability distribution shown below. x 0 1 2 P(x) 0.65 0.30 0.05 Compute the expected value of the distribution. Compute the standard deviation of the distribution. (Round your answer to four decimal places ...

A tire company measures the tread on newly-produced tires

A tire company measures the tread on newly-produced tires and finds that they are normally distributed with a mean depth of 0.99mm and a standard deviation of 0.35mm. Find the probability that a randomly selected tire wi ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert