Answer to Question #325517 in Statistics and Probability for wiwili

Question

"It is claimed that a car is driven on the average less than 24700 kilometers per year with a population standard deviation of 2900 kilometers. To test this claim, a random sample of 55 car owners are asked to keep a record of the kilometers they travelled. Would you agree with this claim if the random sample showed an average of 20100 kilometers? Use a 0.05 level of significance.

What are the given? Write only the number. :

population mean: Blank 1 km

population standard deviation: Blank 2 km

sample size: Blank 3

sample mean: Blank 4 km

level of significance: Blank 5

What is the critical value?

z: Blank 6

What is the value of the calculated z? Round your answer to the nearest hundredths.

z: Blank 7"