A random sample of 100 teenagers was surveyed, and the mean number of songs that they had

Question:

A random sample of 100 teenagers was surveyed, and the mean number of songs that they had downloaded from the iTunes store in the past month was 9.4 with the results considered accurate is within 1.4 (18 times out of 20).

a. What percent of confidence level is the result?

b. What is the margin of error?

c. What is the confidence interval? Explain.

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

Step by Step Answer:

Related Book For book-img-for-question

Business Analytics

ISBN: 9781292095448

2nd Global Edition

Authors: James R. Evans

See More Books

Question Posted: Jul 04, 2024 11:03 AM

See More Questions

If you were a retailer, would you want to sell domestically made goods or imported items? Please explain why you made this choice. If you wanted to sell a good or service to customers in other...
If you were a retailer, would you want to sell domestically made goods or imported items? Please explain why you made this choice. If you wanted to sell a good or service to customers in other...
Abigail worked as a marketing analyst in the soft drinks division of food group international the vice president of sales and marketing for the division touched her inappropriately and private...
Consider the utility function U(x 1 , x 2 ) = x 1 x 2 with budget constraint p 1 x 1 + p 2 x 2 = c. (a) Show that the maximum of U(x 1 , x 2 ) subject to the budget constraint is equal to c 2 /(4p 1...
Find the saddle point for the game having the following payoff table. Use the minimax criterion to find the best strategy for each player. Does this game have a saddle point? Is it a stable game?...
The trial balance of Building Blocks Child Care, Inc., does not balance. The following errors are detected: a. Cash is understated by $4,000. b. A $2,000 debit to Accounts receivable was posted as a...
Have you made an online purchase? If so, why do you think so many people who have access to the Internet are not also online buyers? If not, why are you reluctant to do so? Do you think that...
How might differences in the extent to which countries apply the accounting concept of conservatism (some countries are more conservative than others) affect profit margins, debt-to-equity ratios,...
Project Cash Flows You are evaluating a project for The Ultimate recreational tennis racket, guaranteed to correct that wimpy backhand. You estimate the sales price of The Ultimate to be $400 per...
A study of nonfatal occupational injuries in the United States found that about 31% of all injuries in the service sector involved the back. The National Institute for Occupational Safety and Health...
The monthly sales of a mobile phone shop have been distributed with a standard deviation of $900. A statistical study of sales in the last nine months has found a confidence interval for the mean of...
On August 2, 2017, Wendy purchased a new office building for $3.8 million. On October 1, 2017, she began to rent out office space in the building. On July 15, 2021, Wendy sold the office building. a....
Perpetual Inventory Control Record Description: M & B Supreme Date Purchase Received Issued Sales Units Unit Cost June 1 Balance forward 3 $10.00 4 2 6 8 9 $10.50 9 12 32 3 6 2 4 15 6 10 $11.00 18 20...
A rectangular footing of size 4m by 5m is founded at 2m below ground level in a uniform deposit of saturated clay. The footing is designed to support a total vertical load of 8000 kN inclusive of the...
P6.2 At the start of Tom Stoppard's "Rosencrantz and Guildenstern are dead" 1, Rosencrantz finds a coin. Guildenstern watches as Rosencrantz repeatedly tosses the coin and every time it comes down...
For the data: 9 5 10 7 9 10 11 8 12 769 a) Compute the z-score for the raw score of 10 b) Find the raw score that corresponds to z=+1.22
(11%) Problem 7: After a bad thunderstorm, a loose power line comes to rest on a parked van. The van is insulated from the ground by its tires, and accumulates an electric charge of Q = 0.0012...
If a company decides to increase advertising expense by $25,000, how will that affect the predetermined overhead rate? Eventual cost of goods sold?
Flicker, Inc., a closely held corporation, acquired a passive activity this year. Gross income from operations of the activity was $160,000. Operating expenses, not including depreciation, were...
What is Coke's average ownership percentage in its equity method investments? Goodwill is 7000 Calculate the firm's current ratio (current assets/current liabilities). Calculate the current ratio...
John has to choose between Project A and Project B, which are mutually exclusive. Project A has an initial cost of $30,000 and an internal rate of return of 16 percent. Project B has an initial cost...
Complete the table below, for the above transactions

A random sample of 100 teenagers was surveyed, and the mean number of songs that they had

Question:

Step by Step Answer:

Business Analytics

Students also viewed these Business questions