Part 2 of 6 Test a claim that the mean amount of carbon

Last updated: 7/22/2023

Part 2 of 6 Test a claim that the mean amount of carbon monoxide in the air in U S cities is less than 2 32 parts per million It was found that the mean amount of carbon monoxide in the air for the random sample of 64 c is 2 38 parts per million and the standard deviation is 2 09 parts per million At a 0 05 can the claim be supported Complete parts a through e below Assume the population is normally distributed a Identify the claim and state Ho and Ha Which of the following correctly states Ho and Ha Ho 22 32 Ha H 2 32 Type integers or decimals Do not round The claim is the alternative hypothesis b Use technology to find the critical value s and identify the rejection region s The critical value s is are to Use a comma to separate answers as needed Round to two decimal places as needed Points 0 41 of 1