A random sample of 81 items is taken; producing a sample mean of 47. The population standard

Question:

A random sample of 81 items is taken; producing a sample mean of 47. The population standard deviation is 5.89. Construct a 90% confidence interval to estimate the population mean.

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

Step by Step Answer:

Related Book For book-img-for-question

Business Statistics For Contemporary Decision Making

ISBN: 409

8th Edition

Authors: Black Ken

See More Books

Question Posted: Feb 19, 2015 08:58 AM

See More Questions

A random sample of 81 female American college students were each issued a stopwatch and asked to time themselves as they prepared to attend class on the following Thursday morning. The instructions...
Construct a 90% confidence interval to estimate the population mean using the following data: x = 85 = 20 n = 10 What assumptions need to be made to construct this interval?
Construct a 99% confidence interval to estimate the population mean using the following data: x = 60 = 17 n = 12 What assumptions need to be made to construct this interval?
Vern Westby inherited a ticket from Anna Sjoblom, a survivor of the sinking of the Titanic, which had been pinned to the inside of her coat. He also inherited an album of postcards, some of which...
Describe the process of market segmentation.
E10-11 El Dorado Drilling paid $298,500 for the right to extract ore from a 200,000-ton mineral deposit. In addition to the purchase price. El Dorado also paid a $500 filing fee, a $1,000 license fee...
Write a note on interprocess profits.
Kirby Railroad Co. is about to issue $300,000 of 10-year bonds paying a 9% interest rate, with interest payable semiannually. The discount rate for such securities is 8%. How much can Kirby expect to...
Contribution margin and contribution margin ratio For a recent year, McDonald's (MCD) company-owned restaurants had the following sales and expenses (in millions): Assume that the variable costs...
An experiment was conducted to test the efficacy of chloromycetin in checking typhoid. In a certain hospital chloromycetin was given to 285 out of the 392 patients suffering from typhoid. The number...
If a random sample of 41 items produces x = 128.4 and s = 20.6, what is the 98% confidence interval for ? Assume x is normally distributed for the population. What is the point estimate?
Use the following data to construct a 99% confidence interval for . Assume x is normally distributed. What is the point estimate for? 16.4 17.117.0 15.6 16.2 14.8 16.0 15.6 17.3 17.4 15.6...
The Old Course at St. Andrews in Scotland is home of the British Open, one of the major tournaments in professional golf. The Hole O'Cross Out, known by both European and American professional...
Waverly Company Ltd. currently produces 8,000 units per year of SB 200 (snowboard), which is a component of the company's major products. SB 200 has the following unit cots Direct materials - $35.50...
Norton Ltd manufactures a single product, which is sold for $150 per unit. The standard variable costs per unit of the product are: Direct material 4 kilos at $8 per kilo Direct labour 5 hours at $10...
QUESTION 4 Murni Selasih Bhd is considering investing in a project that will generate higher returns Currently, the company has two projects with forecasted outcomes under consideration. The possible...
ABC plans to sell 60,000 units of product 751 in June, and each of these units requires five sq. ft. of raw material. Additional data is as follows: Product Raw No. 751 Material Actual June 1 11,200...
Case: Tom has felt anxious and constantly on edge over the past 3 years. He has few social contacts because of his nervous symptoms. He is married with 3 children and worries about if he is a good...
The Miller Companys accounts receivable reveal the following balances by age category: The allowance for uncollectible accounts has an existing positive balance of $$34,200$. The companys internal...
Evaluate the function at the given value(s) of the independent variable. Simplify the results. (x) = cos 2x (a) (0) (b) (- /4) (c) (/3) (d) ()
Which of the following forms the basis of rigid bodies and strength of material? (a) Centroid (b) Center of gravity (c) Moment of inertia (d) Any of the above
A particular metal part can be produced at different temperatures (in degrees Celsius). All other variables being equal, a company would like to determine whether the strength of the metal part is...
The Canadian Real Estate Association reported in a recent year that the median price of a single-family home in Calgary is $380,737 and the median price of a single-family home in Halifax is...
According to a recent survey, 40% of luxury car manufacturers, 12% of sports car makers, and 48% of economy auto manufacturers were planning to spend more on marketing in a certain year than in...
In 2019, Sunland Company had a break-even point of $388,000 based on a selling price of $5 per unit and fixed costs of $155,200. In 2020, the selling price and the variable costs per unit did not...
11. String Conversion Given a binary string consisting of characters '0's and '1', the following operation can be performed it: Choose two adjacent characters, and replace both the characters with...
Consider the table shown below to answer the question posed in part a. Parts b and c are independent of the given table. Callaway Golf (ELY) Alaska Air Group (ALK) Yum! Brands (YUM) Caterpillar...

A random sample of 81 items is taken; producing a sample mean of 47. The population standard

Question:

Step by Step Answer:

n 15 2364 s 2 08...View the full answer

Business Statistics For Contemporary Decision Making

Students also viewed these Statistics questions