Mathematics, 27.12.2020 16:20 aprilwilson3p8711m
A car company developed a certain car model to appeal to young consumers. The car company claims the average age of drivers of this certain car model is 28.00 years old. Suppose a random sample of 17 drivers was drawn, and the average age of the drivers was found to be 29.00 years. Assume the standard deviation for the age of the car drivers to be 2.2 years.
Required:
a. Construct a 95% confidence interval to estimate the average age of the car driver.
b. Does this result lend support to the car's company's claim?
c. What assumption needs to be made to construct this's interval?
Answers: 1
Mathematics, 21.06.2019 20:00, smariedegray
Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?
Answers: 1
Mathematics, 21.06.2019 22:00, johnlumpkin5183
Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.
Answers: 1
A car company developed a certain car model to appeal to young consumers. The car company claims the...
History, 05.05.2021 20:10
Mathematics, 05.05.2021 20:10