A random sample of 10 employees was taken. The average age in the sample was 42 with

Question:

A random sample of 10 employees was taken. The average age in the sample was 42 with a variance of 25. Assuming the ages are normally distributed, the 95% confidence interval for the population average age is:

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: 978-1118749647

8th edition

Authors: Black Ken

See More Books

Question Posted: Feb 01, 2018 07:24 AM

See More Questions

A random sample of consumers is taken, and their mean preference for visiting a sports event is found to be 5.1 (on a 1 to 7 scale, where 7 denotes most preferred). In the previous surveys, the mean...
A random sample of 10 subjects have weights with a standard deviation of 10.3136kg. What is the variance of their weights? Be sure to include the appropriate units with the result.
A random sample of 25 statistics examinations was taken. The average score in the sample was 76 with a variance of 144. Assuming the scores are normally distributed the 99% confidence interval for...
One type of systematic error arises because people tend to think of benefits in percentage terms rather than in absolute dollar amounts. As an example, Samir is willing to drive 20 minutes out of his...
The hood of the automobile is supported by the strut AB, which exerts a force F on the hood. Determine the moment of this force about the hinged axis y. Given: F = 24 lb a = 2 ft b = 4 ft c = 2 ft d...
A flask containing n moles of helium is being held at a temperature T Kelvins. If the volume of the flask is V liters, the pressure that the nRT V gas exerts on the flask, in atmospheres, is given by...
What roles might more recent analysis activities, such as data mining, predictive statistical analyses, and operational experiments, play in increasing organizational effectiveness?
Winnebago Industries, Inc. is a leading manufacturer of motor homes. Winnebago reported ending inventory at August 25, 2007, of $101,208,000 under the LIFO inventory method. In the notes to its...
Identify and describe two network management and security process controls that can be put in place to ensure network security. a.Describe network management (system) including i.Network Management...
Prime Essentials Ltd. is a small private corporation. The owner plans to approach the bank for an additional loan or a line of credit to facilitate expansion. The company bookkeeper, after discussion...
Supply-chain management involves long-term partnerships among channel members that are working together to reduce inefficiencies, costs, and redundancies and to develop innovative approaches to...
2% of the checks received by an oil company is returned due to insufficient funds. Yesterday 400 checks were received in the mail. Let x equals the number of these checks which will be returned due...
Consider the circuit in Figure 1685. (a) What type of circuit is this? (b) What is the total peak secondary voltage? (c) Find the peak voltage across each half of the secondary. (d) Draw the voltage...
Consider a U.S. Corporate bond that pays semi-annual coupons with settlement of May 12, 2018. The bond matures on March 1, 2046. The bond's coupon rate is 3% and has a yield of 3%. What is the bond's...
A bond's price is $8,444.54, face value of $20,000, semi-annual coupons of $1000.76, and maturity in 13.5 years. What is its yield in NAR2 terms?
Primare Corporation has provided the following data concerning last month's manufacturing operations. Purchases of raw materials Indirect materials used in production Manufacturing overhead applied...
Kendra has been collecting empty bottles and cashing them in for money at regular intervals. She receives 15 cents for each bottle and collects an average of 500 bottles per week. The market rate of...
A three-year project that requires an initial investment of $600 and will generate future year-end cashflows of $220, $242 and $266.20. Would you accept the project based on its IRR if the project's...
Let S be the square centered at the origin with vertices (a, a). Describe and sketch the set of points that are equidistant from the square and the origin.
Which of the following is NOT a magnetic dipole when viewed from far away? a) A permanent bar magnet. b) Several circular loops of wire closely stacked together with the same current running in each...
Among 150 IRS employees in a large city, only 30 are women. If 10 of the applicants are chosen at random to provide free: fax assistance for the residents of this city, use the binomial approximation...
A nationwide survey of 17,000 seniors by the University of Michigan revealed that almost 70% disapprove of daily pot smoking. If 18 of these seniors are selected at random and asked their opinions,...
Find the probability of being dealt a bridge hand of 13 cards containing 5 spades, 2 hearts 3 diamonds and 3 clubs.
The Power of Trade and Comparative Advantage: Work It Out 3 ? Here's another specialization and exchange problem. This problem is wholly made-up, ? so that you won't be able to use your intuition...
Government spending as a fiscal policy tool is used to: A) ?Decrease the national debt B) ?Directly stimulate economic activity by increasing demand C) ?Reduce inflation D) ?Lower interest rates
Automobile demand has fallen during a recent recession, and Ana has been laid off from her job on the assembly line. Rajiv recently lost his job as a waiter at a local restaurant. A recent increase...

A random sample of 10 employees was taken. The average age in the sample was 42 with

Question:

Step by Step Answer:

Here we have n10 Since there 10 data values in the sample s...View the full answer

Business Statistics For Contemporary Decision Making

Students also viewed these Managerial Accounting questions