According to the Entertainment Software Association, the average age of "gamers" (those that routinely play video games) is 30 years old. A random sample of 33 gamers people had an average age of 32.7 years old
Assume that the population standard deviation for the age of gamers is 4.6 years. Use a 90% confidence interval to test the validity of this report and choose the one statement that is correct.A) Because this confidence interval does not include 30 years, the report by the Entertainment Software Association is not validated.
B) Because this confidence interval does not include 30 years, the report by the Entertainment Software Association is validated.
C) Because this confidence interval does include 30 years, the report by the Entertainment Software Association is validated.
D) Because this confidence interval does include 30 years, the report by the Entertainment Software Association is not validated.
A
You might also like to view...
Melanie has a master's degree in psychology, but she is working at a sunglasses cart in the mall. She is currently
A. experiencing reverse discrimination. B. underemployed. C. lacking a support system. D. demotivated. E. recession-resistant.
If the lease term is 75% or more of the property's economic life, the lease agreement should be accounted for as an operating lease
a. True b. False Indicate whether the statement is true or false
______principles hold that human beings have certain fundamental rights and that a sense of duty to uphold these rights is the basis of ethical decision-making rather than a concern for consequences.
A. Consequences B. Deontological C. Cognitive morals D. Moral principle
Companies invest a great deal to hire, train, and keep the best and the brightest employees in an attempt to gain competitive advantage by employing ________ human resources.
A. similar B. empowered C. diverse D. imitable E. rare