Assume a normal distribution with known population variance. Calculate the margin of error to estimate the population

Question:

Assume a normal distribution with known population variance. Calculate the margin of error to estimate the population mean for the following.

a. 99% confidence level; n = 81; σ² = 169
b. 90% confidence level; n = 200; σ = 120

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Statistics For Business And Economics

ISBN: 9781292315034

9th Global Edition

Authors: Paul Newbold, William Carlson, Betty Thorne

See More Books

Question Posted: Nov 14, 2022 02:24 AM

See More Questions

Calculate the margin of error to estimate the population mean for each of the following. a. 99% confidence level; x1 = 25; x2 = 30; x3 = 33; x4 = 21 b. 90% confidence level; x1 = 15; x2 = 17; x3 =...
Assume a normal distribution with known population variance. Calculate the margin of error to estimate the population mean, m, for the following. a. 98% confidence level; n = 64; 2 = 144 b. 99%...
Assume a normal distribution with known population variance. Calculate the width to estimate the population mean, m, for the following. a. 90% confidence level; n = 100; 2 = 169 b. 95% confidence...
Based on your reading of the rules of Professional Code of Conduct as given by AICPA, which part of the code did the accountants of Enron, Waste Management or Wells Fargo have violated and how about...
List and describe the six functions of nonverbal communication.
Pop Corporation acquired 70 percent of Soda Company's voting common shares on January 1, 202, for $118,300. At that date, the honcontrolling interest had a fair value of $50,700 and Soda reported...
Identify the major business functions and activities common to the expenditure/ disbursement cycle.
The Monteiro Manufacturing Corporation manufactures and sells folding umbrellas. The corporation's condensed income statement for the year ended December 31, 2011, follows: Monteiro's budget...
How do implicit biases and cognitive dissonance influence decision-making processes within organizational contexts ?
1. Of the five global product and communications strategies, which best describes 7-Eleven's approach? 2. On a scale of one to five, to what degree does 7-Eleven adapt its offering in each global...
Assume a normal distribution with known population variance. Calculate the width to estimate the population mean, , for the following. a. 90% confidence level; n = 100; 2 = 169 b. 95% confidence...
Find the reliability factor, z /2 , to estimate the mean, , of a normally distributed population with known population variance for the following. a. a = 0.09 b. /2 = 0.01
Evaluate the integral. X HE 1-x dx
Suppose that Chino Material Systems Inc. sells a low-quality, short-life system. a. Assuming a 12 percent cost of capital, what are this projects NPV and its IRR? Be sure to talk about (1) mutually...
Using the information above, complete the following questions: a) Calculate the free cash flows of Boston Turkey Inc. for the 3 years 2008 to 2010 (8 points) b) Due to its limited history, the...
You have done your research for the following investments and your friend has provided their expectations for the markets for next year. Probability of State of Economy State of Economy .30 40 30...
The axis of a cantilever ring, built-in at B and loaded at the free end A, forms a horizontal quarter are of radius R. Fig. 6. Find the vertical deflection of the free end A, assuming the ring to...
If you were one of the original investors in this issue and you had invested $10,000, what would your total return be if you sold the securities at today's market price? Compute the current duration...
Shown below is a titration curve for glutamic acid. Draw the structure of the species that predominates at each labeled point. 13- 11E pH Equivalents of base
Chapter 9 Stock Valuation at Ragan Engines Input area: Shares owned by each sibling Ragan EPS Dividend to each sibling Ragan ROE Ragan required return Blue Ribband Motors Corp. Bon Voyage Marine,...
A random sample of 16 junior managers in the offices of corporations in a large city center was taken to estimate average daily commuting time for all such managers. Suppose that the population times...
A company produces breakfast cereal. The true mean weight of the contents of its cereal packages is 20 ounces, and the standard deviation is 0.6 ounce. The population distribution of weights is...
Assume that the standard deviation of monthly rents paid by students in a particular town is $40. A random sample of 100 students was taken to estimate the mean monthly rent paid by the whole student...
Bierce Corporation has two manufacturing departments--Machining and Finishing. The company used the following data at the beginning of the year to calculate predetermined overhead rates: Estimated...
Discuss how communication channels have changed over the years due to technology.
ow do synergistic dynamics emerge within high-performance teams, and what role do diverse skill sets, complementary roles, and shared goals play in fostering collaborative innovation and collective...

Assume a normal distribution with known population variance. Calculate the margin of error to estimate the population

Question:

Step by Step Answer:

a sample sizen 100 standard deviationsigma sqrt169 13 alph...View the full answer

Statistics For Business And Economics

Students also viewed these Statistics questions