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...
During the past several months, Diah has lost trust in her manager, Casey, due to some of his decisions regarding his employees. He is now trying to change the way employees report their time and are paid. What is the most likely reaction Diah will have to this change?
What will be an ideal response?
Regarding the delivery and signing of documents relevant to a transaction, which of the following may an unlicensed assistant not legally do:
a. Mail, deliver, or pick up documents related to the transaction. b. Obtain signatures to the documents from principles, parties, or service providers in connection with transaction. c. Discuss the relevance of the document with a party to the transaction. d. Arrange for the mailing, delivery, or pick up of documents related to the transaction.